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Overheating Dreamliner battery hit 660 Celsius, says Japan

Published on Feb 21, 2014 8:16 PM
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TOKYO (AFP) - Japan said on Friday the battery in a Dreamliner jet that spewed white smoke last month could have reached temperatures as high as 660 Celsius (1,220 Fahrenheit).

The figure came in an report released by the transport ministry after Japan Airlines grounded one of its Dreamliner planes when the smoke was seen outside the cockpit window during maintenance at Tokyo's Narita airport.

It was the latest in a series of problems that have beset the aircraft, including a months-long global grounding over battery problems last year.

According to the report, one of the eight lithium-ion cells in the plane's battery system "swelled and electrolytic solution was sprayed" out of the battery, a ministry official said.

 
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