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波音“梦幻客机”又现电池问题

2014-01-16来源:VOA

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