波音“夢幻客機”又現電池問題
Battery problems have prompted the grounding of another Boeing 787, a year after a similar issue led to a months-long global suspension of the jet's flights.
Japan Airlines says a mechanic Tuesday saw white smoke rising from beneath the cockpit of a parked Dreamliner during routine maintenance at Tokyo's Narita International Airport.
An investigation found one of the eight cells of the plane's troubled lithium-ion battery had leaked. It said a safety valve meant to release excess pressure had worked properly and it did not catch fire.
JAL replaced the plane with another Dreamliner jet, and said it will keep flying its other 787s following routine maintenance checks.
The worldwide fleet of 50 Dreamliners was grounded for more than three months last year after battery problems sparked a fire in a parked plane and forced the emergency landing of another又一架波音787客機因電池問題而停飛。一年前，一個類似的問題導致世界各地的波音787客機停飛數月。
日本航空公司說，一名技師星期二在東京成田國際機場對一架“夢幻客機”進行例行維修時，發現駕駛室底下冒出白煙。
經過調查發現，這架波音787的八個鋰電池中的一個發生泄漏。調查報告說，一個用來釋放過多壓力的安全閥運作正常，沒有起火。
日航用另一架“夢幻客機”換下這架客機，並表示在進行例行維修檢查後，日航的其他波音787將照常飛行。
去年，一架停放的波音787客機因電池問題起火，導致另一架飛機緊急迫降，隨後世界各地的50架波音787停飛三個多月。
