Bombardier expects to resume CSeries flight testing “in the next few weeks” after restarting engine ground runs with new “control measures” introduced following the May 29 failure of a Pratt & Whitney PW1500G geared turbofan during maintenance ground tests. But the new narrowbody airliner will miss a debut at next month’s Farnborough air show to avoid losing more time from the delayed flight-test program. Without revealing the cause, the manufacturer says ...


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