AD Amdt-39-10101

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace BAe Model ATP Airplanes

AD Number
Amdt-39-10101
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-178-AD
FR Citation
62 FR 43925

Applicability

TypeManufacturerModelDetails
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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