AD 98-23-08
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | PW4050 | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4052 | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4056 | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4060 | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4060A | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4060C | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4062 | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4152 | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4156 | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
| engine | Pratt & Whitney Division | PW4156A | Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines |
Unsafe Condition
High Pressure Compressor Blade Tips
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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