Airbus helicopters deutschland airworthiness directives
98 ADs in the reference matching Airbus helicopters deutschland — from the Federal Register, checked every weekday. Applicability may depend on serial and effectivity: verify against the official AD before any maintenance action.
Reference last synced: 10/22/2026 16:00 UTC · 10,462 ADs indexed
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 C-1 helicopters. This AD was prompted by a report of a louver box assembly detaching in flight due to incorrect installation. This AD requires repetitively accomplishing a play check of the affected louver box assembly and, depending on the results of the check, accomplishing corrective actions.…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, and EC635T2+ helicopters. This AD was prompted by a determination that in cases of loss of oil from the main gearbox (MGB), the low pressure caution or warning light might not activate. This AD requires revising the existing rotorcraf…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-3 helicopters. This AD was prompted by a report of excessive vibrations in-flight due to an incorrect installation of the angular ball bearing of the control ring assembly. This AD requires a one-time inspection of the affected swashplates and, depending on the results of the inspection, correc…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 C-2 and MBB- BK 117 D-2 helicopters. This AD was prompted by a determination that a certain part-numbered standard MS18027 type hook may be subject to localized yielding in the mating threads when assembled to higher assembly torques. This AD requires modifying and re-identifying the affected par…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Helicopters Model MBB-BK 117 D-3 helicopters. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these helicopters. This AD was prompted by a report of a crack on the affected part, which was detected after the crew reported increased vibration of the helicopter. This AD…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-3 helicopters. This AD was prompted by a determination that certain bolts installed on the horizontal control rods of the flight controls were not dye penetrant inspected for cracks during manufacturing and thus could lead to bolt failure. This AD requires replacement of affected bolts with bolts tha…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 A-1, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This AD was prompted by a report of a main rotor head (MRH) having the same part number (P/N) and serial number (S/N) as another MRH due to incorrect modification instructions where the modified p…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC635T2+, and EC135T3 helicopters. This AD was prompted by reports of ruptured and deformed flexible couplings. This AD requires inspecting the axial displacement of the tail rotor drive shaft and, depending on the results, taking corrective a…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is superseding Airworthiness Directive (AD) 2014-13- 09, which applied to certain Airbus Helicopters Deutschland GmbH (AHD) helicopters Model EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, and EC135T2+ helicopters. AD 2014-13-09 required repetitive visual inspections of the ring frame X9227 for a crack, and if there is a crack, replacing the ring frame. Since the FAA issued AD 2014-13-09, AHD Helicopters dete…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK117 D-3 helicopters. This AD was prompted by a report of excessive wear on the bearing bolts, installed on the swashplate, connecting the cardan ring and the control ring assembly. This AD requires initial and repetitive inspections of the swashplate for vertical and radial play and, depending on the…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2, MBB-BK 117 D- 2, and MBB-BK 117 D-3 helicopters. This AD was prompted by reports of damaged hoist hooks and hoist hook nuts. This AD requires performing an inspection of the affected hoist hook and affected hook nut and, depending on the results of the inspection, replacing the affected hoist hook…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 and MBB-BK 117 D-2 helicopters. This AD was prompted by reports of significant wear of the spherical bearings of the control rod assembly and pitch link assembly. This AD requires measuring the radial play of certain spherical bearings of control rod assemblies and pitch link assemblies, reporting…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model BO-105A, BO-105C, BO- 105S, BO-105LS A-3, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This AD was prompted by a report of a crack found on the fork lever of the mixing lever assembly. This AD requires visually inspecting the fork lever for cracks and the m…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 and MBB-BK 117 D-3 helicopters. This AD was prompted by reports of airspeed and altitude indication errors. This AD requires revising the existing rotorcraft flight manual supplement (RFMS) for the helicopter, replacing the air conditioning system (ACS) condenser outlet grids with ACS condenser out…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-3 helicopters. This AD is prompted by reports of momentary direct current (DC) power interruption in flight of both essential busses. This AD requires revising the existing rotorcraft flight manual (RFM) to incorporate an emergency and malfunction procedure. The FAA is issuing this AD to ad…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, EC635T2+, MBB-BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters. This AD was prompted by a review of design data and the determination for recalculation of accumulated hoist boom cycles (cycles) and repetitive inspections. This AD…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-3 helicopters. This AD was prompted by a report of over-torqued swashplate bolts on helicopters in service and in production. This AD requires removal of certain swashplate bolts from service and replacement with new (never previously installed on a helicopter) bolts, a one-time inspection for…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, and EC635T2+ helicopters. This AD was prompted by a report of a loss of the tail rotor controls due to a broken control rod of the yaw actuator. This AD requires visual inspection of the ball pivot, fluorescent penetrant inspection of t…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+/EC635T2+, EC135T3, MBB-BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters. This AD was prompted by reports of malfunctioning emergency fuel shut-off switches on the warning unit. This AD requires inspecting certain switches on the warning uni…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 helicopters. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these helicopters. This AD was prompted by a report of vibrations of the yaw axis during a hover taxi. This AD requires repetitively inspecting the bolted joint between the cardan- pivot joint…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is superseding Airworthiness Directive (AD) 2021-11-17 and AD 2021-11-22, which applied to all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3 and EC635T2 helicopters. AD 2021-11-17 required a one-time visual inspection of certain part-numbered main rotor actuators (MRAs). AD 2021-11-22 required revising the life limits of certain parts…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, MBB-BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters. This AD was prompted by the determination that Instrument Flight Rules (IFR) screens obstruct the pilot's view. This AD requires removing certain part-numbered IFR screen…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T2, EC135T3, and EC635T2+ helicopters. This AD was prompted by a report of a separated tail rotor (T/R) blade due to a crack which was caused by intergranular corrosion. This AD requires repetitively inspecting certain part- numbered T/R…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-3 helicopters. This AD was prompted by recalculations of the inspection intervals for certain parts. This AD requires revising the airworthiness limitations section (ALS) of the existing helicopter maintenance manual or instructions for continued airworthiness for your helicopter and the existi…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P3 and EC135T3 helicopters with Helionix installed, and Model MBB-BK 117 D-2 and MBB- BK 117 D-3 helicopters. This AD was prompted by multiple reports of multi-function display (MFD) failures. This AD requires revising the existing Rotorcraft Flight Manual (RFM) for your helicopter. This AD also requir…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (AHD) Model BO-105A, BO-105C, BO- 105S, BO-105LS A-1, BO-105LS A-3, MBB-BK 117 A-1, MBB-BK 117 A-3, MBB- BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, MBB-BK 117 C-1, MBB-BK 117 C-2, and MBB-BK 117 D-2 helicopters. This AD was prompted by a report of a missing main rotor swashplate (swashplate) inner ring (inner ring). This…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) (Type Certificates Previously Held by Messerschmitt-Bolkow-Blohm (MBB), and Eurocopter Deutschland GmbH (ECD)) Helicopters
The FAA is superseding airworthiness directive (AD) 77-04-06, which applied to Messerschmitt-Bolkow-Blohm (MBB) (now Airbus Helicopters Deutschland GmbH (AHD)) Model BO-105A and BO-105 C helicopters; AD 2002-13-06, which applied to certain Eurocopter Deutschland GmbH (ECD) (now Airbus Helicopters Deutschland GmbH (AHD)) Model BO-105A, BO-105C, BO-105 C-2, BO-105 CB-2, BO-105 CB-4, BO-105 CS-2, BO-105 CBS-2, BO-105S,…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 C-2 helicopters. This AD was prompted by reports of excessively worn bolts that connect the cardan-pivot joint with the piston rod of the tail rotor actuator (TRA) assembly. This AD requires repetitively inspecting certain TRA assemblies, and depending on the results, replacing or repairing parts…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD was prompted by reports of the air conditioning system (ACS) malfunctioning. This AD requires deactivating the ACS and prohibits installing the affected parts, as specified in a European Union Aviation Safe…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK117 A-1, MBB- BK117 A-3, MBB-BK117 A-4, MBB-BK117 B-1, MBB-BK117 B-2, MBB-BK117 C-1, MBB-BK117 C-2, and MBB-BK117 D-2 helicopters. This AD was prompted by the FAA's determination that aging of the elastomeric material of certain tension torsion straps (TT-Straps), during the period since manufacturing…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 C-2 helicopters. This AD was prompted by a report of restricted collective lever movement caused by entanglement of the emergency flashlight strap with the cargo hook emergency release lever, causing the emergency flashlight to leave its seat. This AD requires replacing each affected emergency fl…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-3 helicopters. This AD was prompted by reports of a main rotor (M/R) blade lead-lag damper in a tilted position. This AD requires inspecting the Flex Control Unit (FCU), and corrective actions if necessary, as well as rework and re-identification of the bearing pin, as specified in a European Union A…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 C-2 and MBB-BK 117 D-2 helicopters. This AD was prompted by a report of erroneous or partial installation of the seat belt restraint system. This AD requires inspecting certain seats, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FA…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 C-2 and MBB- BK 117 D-2 helicopters. This AD was prompted by report that a collective bellcrank-K was found incorrectly installed on a helicopter. This AD requires inspecting the collective bellcrank-K to determine if it is correctly installed and has a correct position marking and, depending on…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD was prompted by a report of restricted collective lever movement caused by entanglement of the emergency flashlight strap with the cargo hook emergency release lever, causing the emergency flashlight to lea…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters. This AD was prompted by reports of engine flame out following prolonged operations in falling snow on helicopters with an inlet barrier filter (IBF) system installed. This AD requires revising the existing Rotorcraft Flight Manual (RFM) for you…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD was prompted by reduced life limits being established for certain part-numbered tail rotor (TR) blades. This AD requires determining the total hours time-in-service (TIS) of certain part- numbered TR blades, esta…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model EC135P2+, EC135P3, EC135T2+, and EC135T3 helicopters. This AD was prompted by reports that certain aft and forward fitting assemblies, which are not approved for installation on certain helicopters, were installed on those helicopters as part of the outboard load system. Operators of those helicopters might n…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 helicopters. This AD was prompted by a report of chafing marks on a wiring harness near the locking washer of the lateral control rod. This AD requires an inspection of the wiring harness and the routing of the wiring harness and corrective actions if necessary, as specified in a European Union…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is superseding Airworthiness Directive (AD) 2019-05- 06, which applied to certain Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. AD 2019-05-06 required replacing the retaining ring, inspecting the hoist cable hook assembly, and, if necessary, replacing the elastomeric energy absorber. This AD continues to require the actions…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-2 helicopters. This AD was prompted by the discovery that certain parts that are approved for installation on multiple helicopter models are life limited parts when installed on Model MBB-BK 117 D-2 helicopters and some helicopter delivery documents excluded the life limit information. This AD requ…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD was prompted by a report that geometrical non-conformities were found in the root section of the tail rotor blade (TRB). This AD requires a one-time inspection (dimensional check) of the TRB for conformity and, d…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 A-1, MBB-BK 117 A- 3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This AD was prompted by a report of sudden severe vibrations and a cracked open blade trailing edge caused by a loosened lead inner weight. This AD requires inspections to determine if any bolted main…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH (AHD) Model BO-105A, BO- 105C, BO-105S, and BO-105LS A-3 helicopters. This AD was prompted by an uncommanded activation of the hoist cable cutter function on an MBB- BK117 C-1 helicopter, which prompted a design review of the BO105 hoist control grip with coiled cable. This AD requires inspections of the hoist cont…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD requires modifying the tail rotor (T/R) control installation, a functional test, and corrective actions as necessary. This AD was prompted by cases of insufficient clearance between a certain T/R con…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK117 C-2 and MBB- BK117 D-2 helicopters. This AD was prompted by a report of increased control force in the collective axis. This AD requires repetitive visual inspections of the main rotor actuator (MRA), as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-2 helicopters. This AD was prompted by a short circuit in a yaw trim actuator connector that occurred during production electrical tests. This AD requires replacing certain wire harness trim connector backshells (backshells), as specified in a European Union Aviation Safety Agency (EASA) AD, wh…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-2 helicopters. This AD was prompted by reports of chafing marks on the wiring harness behind the middle side panels in the area of the front passenger (PAX) panels. This AD requires inspecting, modifying, and rerouting the wiring harness, as specified in a European Union Aviation Safety Agency…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is superseding Airworthiness Directive (AD) 2016-11-21 for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, and EC135T2+ helicopters. AD 2016-11-21 required revising the life limit of certain parts and removing each part that has reached its life limit. This AD continues to require revising the life limits for certain parts and removing each part th…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH Model MBB-BK 117 A-1, MBB-BK 117 A- 3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This AD was prompted by an analysis of the main rotor (M/ R) blade loop area. This AD requires repetitive inspections of certain M/R blade thimble areas and corrective actions if necessary, as specified in…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH
The FAA is superseding Airworthiness Directive (AD) 2019-07-07 for various Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK117 and Model BO-105 helicopters. AD 2019-07-07 required removing certain part numbered swashplate bellows (bellows) from service, cleaning and inspecting certain parts, and depending on the inspection results removing certain parts from service, applying torque, and repetit…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-2 helicopters. This AD was prompted by a report of a broken Titanium (Ti) bolt. This AD requires removing certain Ti-bolts from service and prohibits installing these Ti-bolts in a critical area. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model MBB-BK117 D-2 helicopters. This AD was prompted by reports that collective lever switch units having certain part numbers did not have retaining rings installed in the cable cut switch guard. This AD requires inspecting certain collective lever switch units for discrepancies (missing retaining rings, incorrec…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 and Model MBB- BK 117 D-2 helicopters. This AD was prompted by a determination that a life limit for the adapter forward (FWD) of the outboard load system, repetitive inspections of other components of that system, and for certain helicopters, a modification of the outboard load system, are necessa…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model BO-105A, BO-105C, BO- 105S, and BO-105LS A-3 helicopters. This AD was prompted by the FAA's determination that aging of the elastomeric material in a tension torsion strap (TT-strap) could affect the structural characteristics of the TT-strap. This AD requires replacement of certain TT-straps with serviceable…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD was prompted by a reassessment of the flight control system. This AD requires modification of the cyclic stick, as specified in a European Aviation Safety Agency (now European Union Aviation Safety Agency) (EASA) AD, whi…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is superseding Airworthiness Directive (AD) 2019-17- 02, which applied to certain Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. AD 2019-17-02 required inspecting certain part-numbered actuators for corrosion, removing them as necessary, and reporting certain information. This new AD continues to require…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is superseding Airworthiness Directive (AD) 2017-07-08 for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB- BK 117 D-2 helicopters. AD 2017-07-08 required repetitively inspecting each engine mount elastomeric bushing (elastomeric bushing). Since the FAA issued AD 2017-07-08, Airbus Helicopters has designed an improved engine mount metal bushing (metal bushing). This new AD retains the insp…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH and Eurocopter Canada Ltd.) Helicopters
The FAA is superseding Airworthiness Directive (AD) 97-26-02 for Eurocopter Deutschland GmbH Model BO-105A, BO-105C, BO-105S, BO- 105LS A-1, and BO-105LS A-3 helicopters; and Eurocopter Canada Ltd. Model BO-105LS A-3 helicopters. AD 97-26-02 required a repetitive visual inspection for cracks in the ribbed area of the main rotor (M/R) mast flange (flange), and depending on the outcome, replacing the M/R mast. This ne…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model BO-105A, BO-105C, BO-105S, MBB-BK 117 A-1, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB- BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This AD was prompted by a report of a loss of electrical ground between the starter-generator and the generator voltage regulator (regulator). This AD requir…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH Model MBB-BK117 A-1, MBB-BK117 A-3, MBB-BK117 A-4, MBB-BK117 B-1, MBB-BK117 B-2, MBB-BK117 C-1, and MBB- BK117 C-2 helicopters. This AD requires inspecting the tail gearbox (TGB) bellcrank attachment arm (arm) for a crack. This AD was prompted by a report of a cracked TGB arm. The actions of this AD are intended to address…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD requires removing certain Titanium (Ti) bolts from service and prohibits installing these Ti-bolts in a critical area. This AD was prompted by a report of a broken Ti-bolt. The actions of this AD are intended to…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is superseding Airworthiness Directive (AD) 2007-26-51 which applied to certain Airbus Helicopters Deutschland GmbH Model EC135 helicopters. AD 2007-26-51 required inspecting the tail rotor control rod (control rod) and ball pivot and, depending on findings, replacing those parts. This new AD requires inspecting certain ball pivots, applying corrosion preventative compound on the ball pivot, and corrective a…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, and EC635T2+ helicopters. This AD was prompted by reports of improper heat treatment of titanium (Ti)-bolts installed on the forward and aft tail rotor drive shafts, resulting in a broken Ti-bolt. This AD requires an inspection to determine…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This AD was prompted by reports that the adhesive seal prevented the doors from jettisoning properly. This AD requires removing certain seals, replacing certain seals with newly certified seals and rev…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 helicopters. This AD was prompted by a report of an erroneous low rotor revolutions per minute (RPM) indication after establishing a one engine inoperative (OEI) condition. This AD requires a software (SW) modification for the aircraft management computer (AMC). The FAA is issuing this AD to addres…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 helicopters. This AD was prompted by the discovery that certain longitudinal trim actuators, lateral trim actuators, and yaw trim actuators, which are certified for installation on MBB-BK 117 C-2 helicopters, were erroneously listed as eligible for installation on MBB-BK 117 D-2 helicopters. Th…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is superseding Airworthiness Directive (AD) 2017-02-07 for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB- BK 117 C-2 and Model MBB-BK 117 D-2 helicopters. AD 2017-02-07 required a repetitive inspection and a one-time torque of each hydraulic module plate assembly attachment point (attachment point). This new AD retains the initial inspection and torque requirements of AD 2017-02-07 and r…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD requires inspecting certain part-numbered actuators for corrosion, and removing them from service as necessary. This AD also requires reporting certain information to Airbus Helicopters. This AD is p…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA is publishing a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Helicopters (Airbus) Model MBB- BK 117 C-2 helicopters. Emergency AD 2019-10-51 was sent previously to all known U.S. owners and operators of these helicopters. This AD requires, for certain helicopters, inspecting the fuselage frame and providing certain information to the FAA. This AD also prohibits installing cert…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 C-2 helicopters. This AD requires establishing or reducing the life limit of various parts. This AD was prompted by recalculations. The actions of this AD are intended to address an unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 D-2 helicopters. This AD requires replacing the rescue hoist cable cut pushbutton flip guard (flip guard). This AD was prompted by reports of unintended lifting of several flip guards. We are issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for various Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB- BK117 and Model BO-105 helicopters. This AD requires removing the swashplate bellows (bellows) and repetitively inspecting the swashplate assembly. This AD was prompted by reports of loose and missing clamps installed on bellows. The actions of this AD are intended to detect and prevent…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 A-1, MBB-BK 117A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, MBB-BK 117 C-1, and MBB-BK 117 C-2 helicopters. This AD requires repetitive inspections of the tail rotor (T/R) gearbox housing. This AD was prompted by a report that a crack was found in a T/R gearbox housing. The actions…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This AD requires replacing the retaining ring and inspecting the hoist cable hook assembly (hook). This AD was prompted by a report that a hook detached from the hoist cable. The actions of this AD are intended…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters
We are superseding Airworthiness Directive (AD) 97-26-03 for Eurocopter Deutschland GmbH Model MBB-BK 117 A-1, MBB-BK 117 A-3, MBB- BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. AD 97-26-03 required visual inspections for cracks in the ribbed area of the main rotor (M/R) mast flange (flange). Since we issued AD 97-26-03, we have determined that a certain reinforced M/R mast is not affec…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 C-2 and MBB-BK 117 D-2 helicopters. This AD requires altering and re- identifying the overhead panel shock mount assembly (shock mount). This AD was prompted by the manufacturer's stress recalculations. The actions of this AD are intended to correct an unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH)
We are superseding Airworthiness Directive (AD) 2013-16-14 for Eurocopter Deutschland GmbH (now Airbus Helicopters Deutschland GmbH) Model EC 135 P1, P2, P2+, T1, T2, and T2+ helicopters. AD 2013-16-14 required installing a washer in and modifying the main transmission filter housing upper part. Since we issued AD 2013-16-14, Airbus Helicopters Deutschland GmbH has extended the overhaul interval for the main transmi…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 D-2 helicopters. This AD requires amending the rotorcraft flight manual to establish a minimum airspeed limitation for the autopilot cruise height mode. This AD is prompted by two reports of uncommanded helicopter climbs and descents. The actions of this AD are intended to address an unsaf…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 C-2 (including configuration C-2e) and MBB-BK 117 D-2 helicopters. This AD requires replacing the main rotor (M/R) blade vibration absorbers. This AD was prompted by a report of strong M/R blade vibrations on a Model MBB-BK 117 C-2 helicopter. The actions of this AD are intended to prevent…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK117 C-2 helicopters. This AD requires inspecting the pilot collective wiring harness and was prompted by a report that the heat-shrinkable sleeve prevented the twist grip on the collective from being fully engaged during a flight test. The actions of this AD are intended to prevent an unsafe co…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH Helicopters (Airbus Helicopters) Model MBB-BK 117 C-2 and MBB-BK 117 D-2 helicopters. This AD requires installing rivets to the air inlet cover rings (rings). This AD was prompted by reports of rings detaching. The actions of this AD are intended to prevent the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 D-2 helicopters. This AD requires repetitively inspecting the engine mount bushings. This AD was prompted by reports of delaminated and worn bushings. The actions of this AD are intended to prevent an unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters
We are superseding airworthiness directive (AD) 2014-05-06 for Eurocopter Deutschland GmbH (ECD) (now Airbus Helicopters Deutschland GmbH) Model EC135 and MBB-BK 117 C-2 helicopters to correct an error in the compliance time. AD 2014-05-06 required inspecting the flight- control bearings and installing bushings and washers. This AD requires the same actions. These actions are intended to prevent an unsafe condition…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Airbus Helicopters) (Previously Eurocopter Deutschland GmbH)
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model BO-105C, BO-105LS A-3, and BO-105S helicopters. This AD requires inspecting each main rotor blade (MRB) for debonding, and is prompted by a report of incorrect bonding of the shell to the MRB. These actions are intended to detect and prevent an unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 C-2 and MBB-BK 117 D-2 helicopters. This AD requires inspections and a torque of certain attachment points. This AD was prompted by a design reassessment. These actions are intended to prevent an unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model BO-105LS A-3 helicopters. This AD requires establishing a life limit for the tension-torsion (TT) straps. This AD is prompted by an error in the Airworthiness Limitations section of the maintenance manual. These actions are intended to prevent the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 C-2 helicopters. This AD requires inspecting each terminal lug and replacing any lug that has discoloration, corrosion, incorrect crimping, or incorrect installation. This AD was prompted by the discovery that terminal lugs with incorrect crimping may have been installed on these helicopte…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) (Airbus Helicopters) Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model MBB-BK 117 C-2 helicopters with certain duplex trim actuators installed. This AD requires repetitively inspecting the lateral and longitudinal trim actuator output levers for correct torque of the nuts. This AD was prompted by a design review that indicated the attachment screws can become loose under certain circumstances. These actions…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) (Airbus Helicopters)
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, and EC135T2+ helicopters. This AD requires reducing the life limit of certain parts and removing each part that has reached its life limit. The actions of this AD are intended to reduce the life limits of certain critical parts to prevent failure of a part and subsequent loss of control of th…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (AHD) (previously Eurocopter Deutschland GmbH) Model MBB-BK 117 A-1, A-3, A-4, B-1, B-2, C-1, and C-2 helicopters. This AD requires an initial and recurring inspection of the N2 control arm and, depending on the outcome of the inspection, repairing or replacing the N2 control arm. This AD was prompted by a report of a heavily…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
We are superseding airworthiness directive (AD) 2014-13-01 for Airbus Helicopters Deutschland GmbH (Airbus Helicopters) Model MBB-BK 117 C-2 helicopters with a certain Goodrich rescue hoist damper unit (damper unit) installed. AD 2014-13-01 required repairing or replacing the damper unit or deactivating the rescue hoist. AD 2014-13-01 was prompted by a report of an uncommanded detachment of a damper unit from the ca…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (formerly Eurocopter Deutschland GmbH) (Airbus Helicopters) Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model BO-105A, BO-105C, and BO-105S helicopters. This AD requires inspections to detect oil contamination in the main gearbox (MGB). This AD was prompted by initial findings from an accident investigation of a Model BO-105 helicopter, which indicated deterioration of the MGB caused by a contaminated oil supply. The actions of this AD are inten…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) (Airbus Helicopters)
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model EC135P1, EC135T1, EC135P2, EC135T2, EC135P2+, EC135T2+, and MBB-BK 117 C-2 helicopters. This AD requires inspecting certain washers for movement and making appropriate repairs if the washers move. This AD was prompted by play found between the Smart Electro Mechanical Actuator (SEMA) and the control rod during installation work on a heli…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GbmH) (Airbus Helicopters) Helicopters
We are superseding Airworthiness Directive (AD) 2012-10-53 for Eurocopter Deutschland GmbH (ECD) (now Airbus Helicopters) Model EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, and EC135T2+ helicopters. AD 2012-10-53 required, before further flight and at specified intervals, checking and inspecting the upper and lower main rotor hub (MRH) shaft flanges for a crack, and inspecting the lower hub-shaft flange bolt attach…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH Helicopters) (AHD)
We are adopting a new airworthiness directive (AD) for AHD Model EC135P1, P2, P2+, T1, T2, and T2+ helicopters. This AD requires repetitive visual inspections of the ring frame X9227 for a crack and, if there is a crack, replacing the ring frame before further flight. This AD is prompted by a fatigue crack in the ring frame. These actions are intended to detect a crack in the ring frame and prevent loss of the tail…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Airbus Helicopters) (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters
We are publishing a new airworthiness directive (AD) for Airbus Helicopters Model MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B- 1, and MBB-BK 117 C-2 helicopters with a certain Metro Aviation, Inc. (Metro), vapor-cycle air conditioning kit pulley (pulley) installed, which was sent previously to all known U.S. owners and operators of these helicopters. This AD supersedes AD 2013-12-06, which required inspecting the p…
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Airbus Helicopters) (Previously Eurocopter Deutschland GmbH) Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model MBB-BK 117 C-2 helicopters with a certain Goodrich rescue hoist damper unit (damper unit) installed. This AD requires repairing or replacing the damper unit or deactivating the rescue hoist. This AD is prompted by a report of an uncommanded detachment of a damper unit from the cable. These actions are intended to prevent loss of an exter…