Pratt & Whitney Investigates GTF Flight-Test ‘Anomaly’

SEATTLE —Pratt & Whitney is examining an ‘anomaly’ on a version of the geared turbofan which forced one of the company’s two Boeing 747SP flying testbeds to make a precautionary landing at its Mirabel Aerospace Centre in Canada. The incident, which occurred on April 29, is thought to have involved a...

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