Japan Airlines has grounded a Boeing 787 Dreamliner aircraft after detecting smoke that may have come from faults with the main battery, almost a year to the day the problem first arose.
The battery cell which appeared to be leaking was discovered during routine maintenance and raises new concerns about the 787’s safety and reliability. Boeing said early indications suggested a single battery cell had released gases, and that the warning system had operated as planned as a preventative measure. The incident came nearly a year to the day…
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