Superseded. This AD was superseded by AD 2021-10-21. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2019-07-07
Effective 05/24/2019 · Published 04/19/2019
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Summary
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…