AD 2006-23-11
Effective 12/19/2006 · Published 11/14/2006
Airworthiness Directives; Rolls-Royce, plc RB211 Trent 768-60, 772-60, and 772B-60 Turbofan Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for Rolls-Royce, plc (RR) RB211 Trent 768-60, 772-60, and 772B-60 turbofan engines. This AD requires initial and repetitive on-wing or in-shop inspections of the high pressure (HP)/intermediate pressure (IP) turbine bearing oil feed tube heat shield. This AD results from a report that a damaged outer heat shield caused fretting of the oil feed tubes. We are issu…