Dreamliner battery probe rules out sudden voltage surge
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The burnt auxiliary power unit battery is seen in an All Nippon Airways' (ANA) Boeing Co 787 Dreamliner plane which made an emergency landing last week, in this Jan 17, 2013, file photo. Officials probing the emergency landing of a Boeing Dreamliner said today they will dismantle its battery pack, after the investigation found no evidence of a sudden surge in voltage. -- PHOTO: REUTERS
TOKYO (AFP) - Officials probing the emergency landing of a Boeing Dreamliner said today they will dismantle its battery pack, after the investigation found no evidence of a sudden surge in voltage.
A fire risk from overheating powerpacks emerged as a major concern after pilots were forced to land the domestic All Nippon Airways (ANA) flight in western Japan on Jan 16 due to smoke thought to be linked to the plane's battery.
Investigators later released a picture showing the blackened remains of the battery in the ANA plane.
But they said today there were no signs of a battery fire, while data gleaned from the flight's digital data recorder showed the powerpack did not suffer a rapid surge in voltage.
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