AD 62-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 1049-54 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 1049B-55 (Navy R7V-1) | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 1049C-55 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 1049D-55 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 1049E-55 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 1049F-55 (USAF C-121C) | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 1049G-82 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 1049H-82 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 149-46 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Models 49, 149, 649, 749, and 1049 Series Aircraft |
Unsafe Condition
Failures of the cap weld on main landing gear cylinders which have been returned to service following compliance with AD 59-07-03, as amended.
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Required Actions
Reinspect or replace landing gear cylinders with cap welds using techniques in Lockheed Field Service Letter No. FS/254049L or FAA-approved equivalent. Replace cracked cylinders before further flight. Periodic reinspections every 5,000 hours' time in service.
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Compliance Time
Within the next 400 or 1,200 hours' time in service after the effective date (January 9, 1962), depending on prior inspection method. Periodic reinspections must be done within 5,000 hours' time in service following the previous inspection.
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Affected Aircraft
Lockheed Models 49, 149, 649, 749, and 1049 Series Aircraft with Cleveland Pneumatic Tool Company Main Landing Gear Cylinders, P/N's 9040-2, 9040A-2, 9106-2, 9291-2, 9291B-2, 9291B-2B, or 9291D-2.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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