airworthiness · Rule · Final rule; request for comments. · Published 2017-09-28 · Effective 2017-10-13 · 82 FR 45175
Document
Document number
2017-20702
Federal Register citation
82 FR 45175
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Rolls-Royce plc Turbofan
Publication date
2017-09-28
Effective date
2017-10-13
FAA docket
Docket No. FAA-2017-0753
Abstract
We are adopting a new airworthiness directive (AD) for certain Rolls-Royce plc (RR) RB211 Trent 553-61, Trent 553A2-61, Trent 556-61, Trent 556A2-61, Trent 556B-61, Trent 556B2-61, Trent 560-61, and Trent 560A2-61 turbofan engines. This AD requires replacement of the low- pressure compressor (LPC) case A-frame hollow locating pins. This AD was prompted by LPC case A-frame hollow locating pins that may have reduced integrity due to incorrect heat treatment. We are issuing this AD to correct the unsafe condition on these products.