AD Amdt-39-11090

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Lockheed Model L-1011-385 Series Airplanes

AD Number
Amdt-39-11090
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-256-AD
FR Citation
64 FR 14580

Applicability

TypeManufacturerModelDetails
aircraft Lockheed L-1011-385 Airworthiness Directives; Lockheed Model L-1011-385 Series Airplanes

Unsafe Condition

Fretting at the diagonal truss to web joint of the elevator and cracking in the cap fillet radius adjacent to the joint, caused by loose fasteners due to local vibration.

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

Required Actions

Conduct repetitive external visual inspections and internal borescope inspections of the elevator assembly to detect discrepancies. Repair or repair/modify identified discrepancies as necessary.

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

Compliance Time

Not specified in the provided text.

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

Affected Aircraft

Lockheed Model L-1011-385 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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