AD Amdt-39-10101
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British | Aerospace BAe Model ATP | Airworthiness Directives; British Aerospace BAe Model ATP Airplanes |
Unsafe Condition
Uncommanded application of the brakes when the DC hydraulic pump was selected ON with the main hydraulic system operative due to build-up of back pressure in the brake supply and hydraulic return systems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the hydraulic system and revise the Airplane Flight Manual (AFM) to include revised procedures for lowering the landing gear.
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 BAe Model ATP airplanes with the specific hydraulic system configuration causing the back pressure issue.
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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