AD Amdt-39-11058

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757 Series Airplanes

AD Number
Amdt-39-11058
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 96-NM-12-AD
FR Citation
64 FR 10557

Applicability

TypeManufacturerModelDetails
aircraft Boeing 757 Airworthiness Directives; Boeing Model 757 Series Airplanes

Unsafe Condition

Reports indicate that certain RAT actuators failed to deploy upon command due to interference in the actuator locking mechanism caused by damage incurred during shipping.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revise the maintenance program to require verification of the shipping container and sleeve assembly used for the RAT deployment actuator. Inspect the identification plate on the RAT deployment actuator or perform a records check to determine actuator serial numbers. Repair or replace certain RAT deployment actuators, if necessary.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

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Affected Aircraft

Boeing Model 757 series airplanes with certain RAT deployment actuators.

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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