AD 2019-12-13

Recurring final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2019-12-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2019-0445
FR Citation
84 FR 30577

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

The failure of the aileron trim actuator attachment lug, which could cause over-control of the airplane and subsequent lateral pilot induced oscillations (PIO), which could adversely affect continued safe flight and landing.

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

Required Actions

Repetitive checks of the aileron trim actuator bearing for free rotation, repetitive detailed inspections of the aileron trim actuator attachment lug for damage or cracking, and applicable on-condition actions, including high frequency eddy current (HFEC) inspections of the aileron trim actuator attachment lug for cracking, repair and replacement.

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

Compliance Time

Within 1,760 flight hours

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

Affected Aircraft

All The Boeing Company Model 757 airplanes.

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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