Superseded. This AD was superseded by AD 2021-26-04. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2019-18-08
Effective 10/09/2019 · Published 09/24/2019
Airworthiness Directives; Engine Alliance Turbofan Engines
Summary
The FAA is superseding Airworthiness Directive (AD) 2019-16-04 for all Engine Alliance (EA) GP7270 and GP7277 model turbofan engines. AD 2019-16-04 required a visual inspection of the 1st-stage low- pressure compressor (LPC) rotor assembly, referred to after this as the "engine fan hub assembly," for damage, a one-time eddy current inspection (ECI) of the engine fan hub blade slot bottom and blade slot front edge fo…