This is a different model of aircraft but uses a Pratt & Whitney PW4000, in the same family as the Pratt & Whitney PW4070/4090 on the United 777-200. Reports of this morning’s emergency landing ...

Pratt & Whitney introduced the PW4000 engine family in April 1984 with the PW4000-94, which is used with several aircraft including the Airbus A330, Boeing 747-400, and McDonnel Douglas MD-11 ...