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Boeing 787 aircraft grounded after battery problem in Japan

15 January 2014 Last updated at 03:56 GMT

Japan Airlines has grounded a Boeing 787 Dreamliner aircraft after detecting smoke or gases that may have come from faults with the main battery.

The problem was discovered during routine maintenance, and is a reminder of the battery faults that grounded all 787s for three months last year.

Rupert Wingfield-Hayes reports