But the US Federal Aviation Administration (FAA) did not order mandatory testing of the General Electric CF6 engines ... an American Airlines' A300 went down in the New York borough of Queen's ...

In the meantime we had de-rated the CF6-50 to 45,000 lbs of thrust for use on a special short-range version of the B747 for ANA. Because we had this engine in hand, we proposed it to Airbus and Boeing ...