AD 65-19-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 1329-23A | LOCKHEED Model 1329 Airplanes |
| aircraft | Lockheed Martin Corporation | 1329-23D | LOCKHEED Model 1329 Airplanes |
Unsafe Condition
Failure of the landing gear emergency extension system or main landing gear inboard door latch rollers and actuating mechanisms could result in improper operation or binding, leading to potential landing gear malfunction.
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Required Actions
Inspect and repair the landing gear emergency extension system per Lockheed Alert Service Bulletin 329-176 or FAA-approved equivalent. Inspect main landing gear inboard door latch rollers and actuating mechanisms for improper action or binding; disassemble, clean, inspect, correct issues, and reassemble following lubrication instructions. Discontinue inspections after installing modification per Service Bulletin 329-177/329-186 or FAA-approved equivalent.
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Compliance Time
Within the next 100 hours' time in service after the effective date of this AD, unless already accomplished within the last 20 hours' time in service, and thereafter at intervals not to exceed 120 hours' time in service from the last inspection.
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Affected Aircraft
Lockheed Model 1329 Airplanes, Serial Numbers 5001 through 5050.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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