AD Amdt-39-11202

final rule
Data completeness: 70%

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

AD Number
Amdt-39-11202
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-11-AD
FR Citation
64 FR 33386

Applicability

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

Unsafe Condition

Fatigue cracking in the web of the rear spar of the wing, which could result in failure of the rear spar and consequent fuel spillage.

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

Required Actions

Accomplish the previously optional modification to defer the initiation of inspections for a specified period. Inspect the web-to-cap fasteners of the rear spar between inner wing stations 310 and 343, and the web area around those fasteners, to detect cracking and other discrepancies.

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

Compliance Time

Within a specified period of time as determined by the FAA.

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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