Superseded. This AD was superseded by AD 2022-05-02. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2021-11-25
Effective 07/29/2021 · Published 06/24/2021
Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters (Type Certificate previously held by Eurocopter France) Model AS350B3 and EC130T2 helicopters. This AD was prompted by a report of failure of an engine digital electronic control unit (DECU). This AD requires revising the existing Rotorcraft Flight Manual (RFM) for your helicopter. The FAA is issuing this AD to address the unsafe c…