Boeing has recommended that airlines ground all of its 777s with the type of engine that suffered a catastrophic failure over Denver this weekend, as US regulators ordered United Airlines to step up inspections of those aircraft.
United said Sunday it is temporarily removing the aircraft from service, a day after one of its planes made an emergency landing at Denver International Airport because its right engine blew apart just after takeoff. Pieces of the casing of the engine, a Pratt and Whitney PW4000, rained down on suburban neighbourhoods.
