The FAA has issued an airworthiness directive affecting Rolls-Royce RB211 Trent 800-powered Boeing 777-200/300 jetliners that are operated in extremely cold temperatures. The AD that is effective Sept. 29 requires revision of the aircraft flight manual to include in-flight procedures for pilots to follow in certain cold weather conditions and requires fuel circulation procedures on the ground when certain conditions exist. The AD results from an incident of uncommanded reduction in thrust on both engines because of reduced fuel flow.…
Boeing 777 Cold Weather AD Issued
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