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JAL Dreamliner hit by another battery problem

TOKYO - Japan Airlines has grounded another one of its Dreamliner jets after "white smoke" was seen outside the cockpit window during maintenance, a year after the aircraft suffered a months-long global grounding over battery problems.

The carrier said that a technician at Tokyo’s Narita airport, who was working on the parked plane before its departure to Bangkok Tuesday afternoon, first noticed what appeared to be smoke outside the cockpit window and then a battery system warning.

An investigation found that one of the eight lithium-ion cells in the plane’s battery system had leaked, but its safety valve, which is designed to release excessive pressure, was properly open.

"The temperature of the cell was high. We believe it caused ’white smoke’, which could be smoke or vapour," a JAL spokesman said.

The airline said it replaced the grounded plane with another Dreamliner, which left as scheduled, carrying 169 passengers and crew.

"We are making sure of the safety of every plane before its departure. We will continue regular flights (with Dreamliners)," said a separate JAL spokesman, Norihisa Hanyu.

AFP


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