Pratt & Whitney aims to complete re-delivery to Airbus of the last of 55 rectified PW1100G geared turbofans affected by the recent knife edge seal issue by the end of April, but acknowledges the problem has cost the engine maker $50 million. Commenting at the United Technologies’ annual investor conference, Pratt president Bob Leduc said the seal issue impacted around 100 engines, of which 55 had been delivered to Airbus and were “either hanging on airplanes awaiting ...

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