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NTSB: Plane Battery that Burned Not Overcharged

(Photo Courtesy: WCVB-TV)

(Photo Courtesy: WCVB-TV)

JOAN LOWY,Associated Press

WASHINGTON (AP) — The battery that caught fire in a Japan Airlines 787 in Boston earlier this month was not overcharged, but government investigators say there could still be problems with wiring or other charging components.

An examination of the flight data recorder indicated that the battery didn’t exceed its designed voltage of 32 volts, the National Transportation Safety Board says.

Investigators are continuing to look at the battery system and plan to meet Tuesday with the manufacturer of the charger for the 787’s lithium ion batteries.

A charging issue may still be the culprit.

All 50 787s that Boeing has delivered to airlines have been grounded since Wednesday, when a Japanese flight made an emergency landing after its pilots smelled something burning and received a cockpit warning of battery problems.

Copyright 2013 The Associated Press.

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