airworthiness · Rule · Final rule; request for comments. · Published 2022-05-06 · Effective 2022-05-23 · 87 FR 26967
Document
Document number
2022-09631
Federal Register citation
87 FR 26967
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Engine Alliance Turbofan
Publication date
2022-05-06
Effective date
2022-05-23
FAA docket
Docket No. FAA-2022-0512
Abstract
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 spool. The FAA is issuing this AD to address the unsafe condition on these products.