Problem reportedly found in Japan Airlines Boeing 787 jet
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A Japanese broadcaster is reporting that a sensor problem was found in one of the exchanged batteries for a Japan Airlines Boeing 787 jet. The Boeing Co. jets had been grounded for four months until their safety could be reconfirmed.
NHK TV says the problem emerged Sunday in a sensor that detects overheating in the modified version of the lithium-ion batteries used in the aircraft. The batteries were encased to prevent overheating from spreading.
The report said the sensor problem did not endanger safety.
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JAL offices were closed for the weekend, and officials were not immediately available for comment.
"Dreamliner" batteries overheated on planes that were in flight in Japan and parked in a Boston airport. The jets resumed commercial flights last month at JAL and All Nippon Airways.