AD 60-23-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | JT3C-6 | PRATT & WHITNEY Turbo Wasp JT3C-7 and JT3C-6 Engines |
| engine | Pratt & Whitney Division | JT3C-7 | PRATT & WHITNEY Turbo Wasp JT3C-7 and JT3C-6 Engines |
Unsafe Condition
Failure of the bevel accessory drive gearshaft and resultant loss of engine power
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace part number 350460 gearshaft with part number 401493 gearshaft
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
at first engine overhaul after December 15, 1960
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Turbo Wasp JT3C-7 engines prior to serial number P632425B and all JT3C-6 engines
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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