No Obvious Battery Anomalies On JAL787/Boston Battery: NTSB Provides Fourth Investigative Update on B787 Battery Fire in Boston Showing no small impatience to get at the truth, the NTSB has released a fourth update on its investigation into the Jan. 7 fire aboard a Japan Airlines Boeing 787 at Logan International Airport in Boston. The fire occurred after the airplane had landed and no passengers or crew were onboard. The event airplane, JA829J, was delivered to JAL on December 20, 2012. At the time of the battery fire, the aircraft had logged 169 flight hours with 22 cycles. The auxiliary power unit battery was manufactured by GS Yuasa in September 2012.
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