AD 75-08-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | L-1011-385-1 | Lockheed-California Company Model L-1011-385-1 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-14 | Lockheed-California Company Model L-1011-385-1 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-15 | Lockheed-California Company Model L-1011-385-1 Series Airplanes |
Unsafe Condition
Possible failures of the C-1, C-2, and C-3 cargo door hooks due to cracks.
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Required Actions
Inspect C-1, C-2, and C-3 cargo door hooks for configuration and part numbers, perform dye penetrant inspections for cracks, replace cracked hooks before further flight, scrap specific part numbers (1517205-103/-105), check and rerig door hook rigging. Repeat dye penetrant inspections every 1500 hours time in service for hooks P/N 1517205-107/-109. Replace hooks P/N 1517205-107/-109 with P/N 1517205-111/-113 within 3000 flight hours after initial inspections. Discontinue inspections after complying with SB 093-52-087 or equivalent.
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Compliance Time
Within 275 additional flight hours after the effective date of this AD
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Affected Aircraft
Lockheed-California Company Model L-1011-385-1 series airplanes certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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