Superseded. This AD was superseded by AD 2021-14-06. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2019-21-11
Effective 10/29/2019 · Published 10/29/2019
Airworthiness Directives; Pratt & Whitney Turbofan Engines
Summary
The FAA is superseding Airworthiness Directive (AD) 2019-19-11 for certain Pratt & Whitney (PW) PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A model turbofan engines. AD 2019-19-11 required initial and repetitive inspections of the low-pressure compressor (LPC) inlet guide vane (IGV) and the LPC rotor 1 (R1) and, depending on the resul…