AD 2022-10-04
Effective 05/23/2022 · Published 05/06/2022
Airworthiness Directives; Engine Alliance Turbofan Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Engine Alliance (EA) GP7270, GP7272, and GP7277 model turbofan engines. This AD was prompted by a manufacturer investigation that revealed certain stages 7-9 compressor rotor spools were manufactured from a billet of material suspected of having foreign material embedded. This AD requires the replacement of the affected stages 7-9 compressor rotor sp…