By U.S. Government,National Transportation Safety Board (NTSB)
Abbreviations and Acronyms * government precis * 1. genuine details * 1.1 occasion historical past * 1.2 plane info * 1.3 Battery details * 1.4 Flight Recorders * 1.5 Battery Examinations * 1.5.1 exterior Observations * 1.5.2 Battery Disassembly * 1.5.3 Battery Case Protrusion and Corresponding mobile Case harm * 1.5.4 Radiographic Examinations * 1.6 part checking out * 1.6.1 Battery Charger Unit * 1.6.2 begin energy Unit * 1.6.3 Battery tracking Unit * 1.6.4 Contactor * 1.6.5 Auxiliary strength Unit Controller * 1.7 procedure defense and Certification * 1.7.1 variety Certification and Battery precise stipulations * 1.7.2 Certification Plan * 1.7.3 approach defense evaluate * 1.8 Federal Aviation management activities After Battery Incidents * 1.9 more information * 2. Ongoing and deliberate research actions * Appendix—Boeing 787 kind Certification certain stipulations 25-359-SC.
On January 7, 2013, approximately 1021 jap typical time, smoke was once came across via cleansing group of workers within the aft cabin of a Japan airways (JAL) Boeing 787-8, JA829J, which used to be parked at a gate at normal Edward Lawrence Logan foreign Airport (BOS), Boston, Massachusetts. concerning the similar time, a upkeep supervisor within the cockpit saw that the auxiliary strength unit (APU)—the sole resource of plane strength on the time—had immediately close down. presently in a while, a mechanic opened the aft digital gear (E/E) bay and located heavy smoke and fireplace coming from front of the APU battery case.2 No passengers or crewmembers have been aboard the plane on the time, and not one of the upkeep or cleansing team of workers aboard the aircraft was once injured. plane rescue and firefighting group of workers spoke back, and one firefighter obtained minor accidents. The aircraft had arrived from Narita foreign Airport, Narita, Japan, as a frequently scheduled passenger flight operated as JAL flight 008. The APU battery presents energy to begin an APU in the course of flooring and flight operations. Flight information recorder (FDR) information confirmed that the APU used to be begun approximately 1004 whereas the plane used to be being taxied to the gate after arrival at BOS. The FDR facts additionally confirmed that, approximately 36 seconds prior to the APU close down at 1021:37, the voltage of the APU battery all started fluctuating, losing from a whole cost of 32 volts to twenty-eight volts approximately 7 seconds sooner than the shutdown. The APU battery includes 8 lithium-ion cells which are hooked up in sequence and assembled in rows of 4 cells. each one battery cellphone has a nominal voltage of 3.7 volts. The cells have a lithium cobalt oxide compound chemistry and comprise a flammable electrolyte liquid.
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2013 Boeing 787 Dreamliner Airplane Lithium Battery Fire NTSB Investigation - Event History, Battery and Component Examinations and Testing, Flight Recorders, Status Reports by U.S. Government,National Transportation Safety Board (NTSB)