LOS ANGELES—Rolls-Royce is replacing high pressure (HP) turbine blades on a limited population of Trent 700 engines powering the Airbus A330 following the emergence of corrosion issues which Rolls said are unrelated to the similar—but more widespread—intermediate pressure (IP) turbine corrosion problem impacting operators of Trent 1000-powered Boeing 787s. Rolls has issued a service bulletin which applies life limits to a sub-fleet of 244 Trent 700s, or just over 10% of ...

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