airworthiness · Rule · Final rule; request for comments. · Published 2017-02-27 · Effective 2017-03-14 · 82 FR 11801
Document
Document number
2017-03739
Federal Register citation
82 FR 11801
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Rolls-Royce plc Turbofan
Publication date
2017-02-27
Effective date
2017-03-14
FAA docket
Docket No. FAA-2016-9510
Abstract
We are adopting a new airworthiness directive (AD) for certain Rolls-Royce plc (RR) Trent 1000-A, Trent 1000-C, Trent 1000-D, Trent 1000-E, Trent 1000-G, and Trent 1000-H turbofan engines. This AD requires initial and repetitive inspections of affected high-pressure turbine (HPT) blades for cracks. This AD was prompted by high engine vibration due to HPT blade deterioration resulting in operational disruptions. We are issuing this AD to correct the unsafe condition on these products.