Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG. (RRD) Tay 650-15 Turbofan Engines
airworthiness · Rule · Final rule; request for comments. · Published 2009-10-27 · Effective 2009-11-12 · 74 FR 55121
Document
Document number
E9-25031
Federal Register citation
74 FR 55121
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Rolls-Royce Deutschland Ltd. & Co. KG. (RRD) Tay 650-15 Turbofan
Publication date
2009-10-27
Effective date
2009-11-12
FAA docket
Docket No. FAA-2007-0037
Abstract
We are superseding an existing airworthiness directive (AD) for the products listed above. That AD currently requires initial and repetitive inspections of the low-pressure (LP) turbine discs stage 2 and stage 3 for corrosion, on certain serial number engines. This AD requires the same actions, but extends the applicability to additional engine serial numbers. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: