UAもP&Wエンジンの777の運航をしばらく止めるそうだ
United grounds Boeing 777 aircraft following engine failure; FAA narrows investigation https://www.hawaiinewsnow.com/2021/02/22/united-temporarily-grounds-boeing-aircraft-faa-narrows-investigation/
www.hawaiinewsnow.comUnited grounds Boeing 777 aircraft following engine failure; FAA narrows investigationThe Boeing 777 planes are equipped with certain Pratt & Whitney PW4000 engines, the FAA added.