AD 2020-17-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Deutschland GmbH | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
Unsafe Condition
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.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
remove from service any longitudinal trim actuator P/N 418-00878-001, lateral trim actuator P/N 418-00878-051, and yaw trim actuator P/N 418-00879-001 within 300 hours time-in-service, and do not install longitudinal trim actuator P/N 418-00878-001, lateral trim actuator P/N 418-00878-051, or yaw trim actuator P/N 418-00879-001 on any Model MBB-BK 117 D-2 helicopter after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 300 hours time-in-service
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 helicopters, certificated in any category, with a serial number up to 20126 inclusive, excluding serial numbers 20109, 20119, and 20124, and with any of the following installed: longitudinal trim actuator part number (P/N) 418-00878-001, lateral trim actuator P/N 418-00878-051, or yaw trim actuator P/N 418-00879-001.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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