AD 53-18-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | T-50 | Airworthiness Directives; CESSNA Model T-50 Airplanes |
Unsafe Condition
Failure of the outer bearing in the Goodrich Model 751A/M, G-3-49A, 7.50-10 main gear assembly, which can result in loss of a wheel.
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Required Actions
Replace the 1 7/16-inch washer with a 1 7/8-inch outside diameter, 0.953+0.005-inch inside diameter, 0.093+0.005-inch thick SAE 1010 or equivalent washer. Check wheel side movement, inspect bearing, and replace bearing as necessary at 100 hours of operation intervals until the bearing is replaced. Use Timken Cone No. 07100 and Cup No. 07196 or equivalent bearings for replacement.
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Compliance Time
Not later than November 1, 1953
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Affected Aircraft
Cessna Model T-50 Aircraft converted from military to civil operation, with Goodrich Model 751A/M, G-3-49A, 7.50-10 main gear assembly.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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