The European Aviation Safety Agency (EASA) has reduced life limits on a batch of Rolls-Royce Trent 700 and RB211-535 turbine disks contaminated with steel “inclusions” during manufacturing by a supplier. The problem affects 20 intermediate and high pressure (HP) disks, 17 of which are installed on Trent 700s powering Airbus A330s.  Each affected disk is one of four part numbers. Operators of affected A330s and Boeing 757s have until Sept. 1 to determine if they have one of the ...

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