Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by BMW Rolls-Royce GmbH and BMW Rolls-Royce Aero Engines) Turbofan Engines
airworthiness · Rule · Final rule. · Published 2021-07-15 · Effective 2021-08-19 · 86 FR 37226
Document
Document number
2021-15055
Federal Register citation
86 FR 37226
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by BMW Rolls-Royce GmbH and BMW Rolls-Royce Aero
Publication date
2021-07-15
Effective date
2021-08-19
FAA docket
Docket No. FAA-2020-1025
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd. & Co KG (RRD) BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 model turbofan engines. This AD was prompted by reports of HPT stage 1 blades failing in service due to sulphidation and subsequent crack initiation. This AD requires removal and replacement of the HPT stage 1 blade and HPT stage 1 blade damper. The FAA is issuing this AD to address the unsafe condition on these products.