Regulation & law · 16/10/2009

FAA Issues Airworthiness Directive for Rolls-Royce RB211 Trent 800 Series Engines

The Federal Aviation Administration (FAA) is updating an existing airworthiness directive for Rolls-Royce RB211 Trent 800 Series turbofan engines to require removal of high-pressure compressor rotor rear stage 5 and 6 discs and cone shafts at new reduced cycle limits, in order to prevent stage 5 and 6 disc crack initiation and propagation.