AD Amdt-39-11128

Recurring final rule
Data completeness: 70%

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

AD Number
Amdt-39-11128
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-315-AD
FR Citation
64 FR 18324

Applicability

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

Unsafe Condition

Fatigue cracking of the bulkhead web and cap at fuselage station (FS) 1363, which could result in reduced structural integrity of the fuselage.

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

Required Actions

Inspect the bulkhead web and cap at FS 1363 for cracking. Repair any detected cracking. Perform repetitive inspections as specified in the AD.

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

Compliance Time

Within the specified repetitive inspection intervals as outlined in the AD.

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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