The Pratt & Whitney PW1500G geared turbofan (GTF) engine that malfunctioned on Bombardier CSeries flight test aircraft FTV1 had been having problems and was repaired just before the low-pressure turbine failed during ground tests, Bombardier executives have told analysts from UBS. In a research note, UBS Americas Equity Research said Bombardier executives including CEO Pierre Beaudoin “confirmed that [the] recent GTF engine failure was in the low-pressure turbine … ...

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