AD 47-10-31
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
Cracks in the webs of landing gear torque arms at the knee bolt ends could result in structural failure of the landing gear system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the webs of all landing gear torque arms at the knee bolt ends at intervals not to exceed 100 flight hours. Replace cracked nose gear arms with new parts. Replace 283557 or 292132 aluminum alloy torque link assemblies on both main gears with 293882 steel assemblies if cracks are found.
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Compliance Time
before further flight
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 serial numbers up to and including 2088.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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