AD 84-13-51 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | L-1011-385-1 | LOCKHEED-CALIFORNIA COMPANY Models L-1011 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-14 | LOCKHEED-CALIFORNIA COMPANY Models L-1011 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-15 | LOCKHEED-CALIFORNIA COMPANY Models L-1011 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-3 | LOCKHEED-CALIFORNIA COMPANY Models L-1011 Series Airplanes |
Unsafe Condition
Failure of fuel line fittings P/N 741266-101 in engine No. 1 or 3 could result in fuel leakage and subsequent engine inoperability.
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Required Actions
Inspect and replace P/N 741266-101 fuel line fittings as per Service Bulletin 093-28-072 within 1,000 hours time in service or 90 days after November 14, 1984. Implement AFM revisions adding fuel system limitations and emergency procedures. Conduct repetitive inspections at 1,000 landing intervals (visual) or 1,500 landing intervals (eddy current) until P/N 741266-105 fittings are installed.
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Compliance Time
within 1,000 hours time in service or ninety (90) days after the effective date of this amendment, whichever occurs first
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Affected Aircraft
Lockheed-California Company Models L-1011 series airplanes, certificated in all categories, including L-1011-385-1, L-1011-385-1-14, L-1011-385-1-15, L-1011-385-3
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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