AD 83-09-51 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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.
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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.
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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.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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