AD 63-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Curtiss-Wright Corporation | C634S | CURTISS-WRIGHT Models C634S-C400 through -C499 and C634S-C500 through -C599 Series Propellers |
Unsafe Condition
Failures of P/N 142080-1 threaded-type brake assemblies causing propeller malfunction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace P/N 142080-1 brake assemblies with P/N 149252-1, 152908-2, or 161462-2 brake assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Curtiss-Wright Corporation Models C634S-C400 through -C499 and C634S-C500 through -C599 Series Propellers equipped with P/N 142080-1 Brake Assemblies.
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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