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Boeing 787 investigation turns to battery maker

By ELAINE KURTENBACH Published: January 22, 2013

“We are in the midst of collecting information, so as to whether there is a problem or not has not yet been determined,” Shimazu said.

Nishijima of GS Yuasa said he could not comment on details of the investigation.

The burned insides of the ANA battery showed it received voltage in excess of its design limits. However, a battery that caught fire in a Japan Airlines Boeing 787 in Boston earlier this month was found not to have been overcharged.

U.S. government investigators said there could still be problems with wiring or other charging components.

In the U.S., investigators from the National Transportation Safety Board planned to meet Tuesday with officials from Securaplane Technologies Inc., manufacturer of the charger for the 787s lithium ion batteries, at the company's headquarters in Tucson, Ariz., board spokeswoman Kelly Nantel said.

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