AD Amdt-39-9878
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British | Aerospace Model BAe 146 and Avro 146-RJ Series | Airworthiness Directives; British Aerospace Model BAe 146 and Avro 146-RJ Series Airplanes |
Unsafe Condition
Water and ice accumulation at the trailing edge of the left and right elevators can cause unbalanced elevators, leading to oscillation or flutter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the left and right elevators and replace the elevator spring with a stiffer spring.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Model BAe 146 and Avro 146-RJ series airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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