Boeing and enginemaker Pratt & Whitney have requested additional time and exemptions from the Federal Aviation Administration (FAA) for redesigns related to the PW4000-112 turbofans onboard select ...
While some first-generation variants of the Boeing 777 family were optionally powered by the General Electric GE90 engines, Rolls-Royce Trent 800, and the Pratt & Whitney PW4000-112, subsequent ...
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