AD 83-09-51 R1

final rule
Data completeness: 70%

LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes

AD Number
83-09-51 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Lockheed Martin Corporation L-1011-385-1 LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-1-14 LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-1-15 LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes
aircraft Lockheed Martin Corporation L-1011-385-3 LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes

Unsafe Condition

Fuel fitting failure in tanks 2L or 2R could trap fuel and render it unavailable, leading to engine inoperability and potential inability to reach a suitable airport.

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

Required Actions

Revise the AFM to include fuel system limitations and emergency procedures, inspect and replace P/N 1527605-101 fittings within 1200 hours time in service or 4 months, and ensure operational components prior to flight.

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

Compliance Time

Within 5 calendar days after receipt of this AD for AFM revisions; within 1200 hours time in service or four (4) months after the effective date, whichever occurs first, for fitting inspection and replacement.

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

Affected Aircraft

Lockheed California Company L-1011 series airplanes certificated prior to S/N 1201 not in compliance with Service Bulletin 093-28-060 revisions.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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