Pratt Says PW1100G Issue Will Not Affect A320NEO

Pratt & Whitney says a minor cooling system redesign of its PW1100G geared turbofan to counter thermal “distress” in a nozzle guide vane will not impact the start of test flights of the Airbus A320NEO in late 2014. According to a Reuters report, Pratt uncovered the issue in a high pressure turbine...

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