AD 80-19-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | L-1011-385-1 | LOCKHEED CALIFORNIA Model L-1011-385-1, -385-1-15, and -385-3 Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-15 | LOCKHEED CALIFORNIA Model L-1011-385-1, -385-1-15, and -385-3 Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-3 | LOCKHEED CALIFORNIA Model L-1011-385-1, -385-1-15, and -385-3 Airplanes |
Unsafe Condition
Fatigue damage to fuselage structure adjacent to C-3 cargo door due to missing intercostals P/N 1551612-131 and 1551612-119.
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Required Actions
Within 100 hours' time in service from the effective date, inspect the fuselage structure adjacent to the C-3 cargo door for missing intercostals per specified service bulletin. If missing, conduct daily visual inspections until intercostals are installed. If cracks are found, repair with FAA approval. Install intercostals within 800 flights from the effective date.
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Compliance Time
Within 100 hours' time in service from the effective date of this AD
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Affected Aircraft
Lockheed California Model L-1011-385-1, -385-1-15, and -385-3 airplanes with serial numbers: 193G-1179, 193K-1024, 193K-1032, 193N-1083, 193N-1093, 193N-1094, 193N-1011, 193N-1102, 193N-1106, 193N-1132, 193N-1145, 193N-1146, 193N-1178, 193N-1182, 193N-1157, 193N-1159, 193N-1164, 193N-1165, 193N-1168, 193N-1174, 193N-1166, 193N-1172.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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