AD 2020-07-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Turbofan | Airworthiness Directives; Pratt & Whitney Turbofan Engines |
Unsafe Condition
The low-pressure compressor (LPC) rotor 1 (R1) failures can release high-energy debris from the engine and damage the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
The FAA is issuing this AD to require the removal from service of certain electronic engine control (EEC) full authority digital electronic control (FADEC) software and the installation of a software version eligible for installation.
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Compliance Time
Within 90 days
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Affected Aircraft
Pratt & Whitney (PW) PW1519G, PW1521G, PW1521G-3, PW1521GA, PW1524G, PW1524G-3, PW1525G, and PW1525G-3 model turbofan engines.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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