Boeing 787 battery maker cleared in probe

FINANCIAL TIMES:  …Japanese regulators said they found no evidence of shortcomings with manufacturing standards at GS Yuasa’s lithium-ion battery factory in Kyoto as they concluded a week-long inspection.

It was the failure of a battery on an All Nippon Airways’ 787 on January 16 – prompting the aircraft to make an emergency landing in Japan – that led regulators to order the worldwide grounding of the Dreamliner. That incident came nine days after a battery fire on a Japan Airlines’ 787 that had landed at Boston airport in the US.

US and Japanese regulators have yet to establish causes for the battery failures, which suggests there is unlikely to be a quick lifting of the Dreamliner grounding…  (more)

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