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NTSB: Final Dreamliner battery fire report “within weeks”

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The US National Transportation Safety Board (NTSB) will publish "within two or three weeks" its final report on the 2013 lithium-ion battery fire aboard a Boeing 787 at Boston airport, according to one of its investigators.

The investigation began after the auxiliary power unit battery caught fire on a Japan Airlines Boeing 787 Dreamliner at Boston Logan International Airport on 7 January 2013. Regulators grounded the global fleet of Dreamliners for almost four months after a second battery incident days later on an All Nippon Airways flight in Japan prompted an emergency landing and evacuation.

More battery woes for Boeing?

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The burnt out battery from the first JAL incident at Boston Airport in January

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A Japan Airlines Boeing 787 flight from Helsinki to Tokyo experienced a problem with its lithium-ion battery, just months after the Dreamliner fleet was cleared for flight after battery problem grounded it in January.

During flight 414 on 10 November a cockpit indicator showed one of the two batteries connected to the plane’s auxiliary power unit was in trouble. Following an inspection that showed no fault with the battery and the voltage and electrical current were within normal range, the flight continued.