AD 2023-17-12
Effective 10/26/2023 · Published 09/21/2023
Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd. & Co. KG (RRD) Model RB211 Trent 768-60, 772-60, and 772B-60 engines. This AD was prompted by reports of cracks on affected intermediate-pressure compressor (IPC) rotor shaft balance lands. This AD requires repetitive on-wing or in-shop borescope inspections (BSIs) of the affected IPC rotor shaft balance land for cracks and r…