It was a tough decision, but one that had to be made. Early this month, with flight tests of the 777-9 approaching, Boeing and General Electric were confronted with a mechanical failure on a GE9X engine that left no option but to postpone the big day. It was a bitter pill to swallow, particularly as the first engine starts on the initial development aircraft, WH001, had just been accomplished on May 29. The scene looked set for the flight campaign to finally get underway. But with all ...

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