Article updated: 1/28/2013 6:36 AM

Boeing 787 probe shifts to monitoring system maker

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Officials inspect an All Nippon Airways Boeing 787 which made an emergency landing at Takamatsu airport in Takamatsu, western Japan.

Associated Press

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The joint U.S. and Japanese investigation into the Boeing 787's battery problems has shifted from the battery-maker to the manufacturer of a monitoring system. Japan transport ministry official Shigeru Takano said Monday the probe into battery-maker GS Yuasa was over for now as no evidence was found it was the source of the problems. Ministry officials said they will inspect Kanto Aircraft Instrument Co. on Monday as part of the ongoing investigation.