By U.S. Government,National Transportation Safety Board (NTSB)
Abbreviations and Acronyms * govt precis * 1. authentic details * 1.1 occasion background * 1.2 aircraft 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 energy Unit Controller * 1.7 method defense and Certification * 1.7.1 kind Certification and Battery certain stipulations * 1.7.2 Certification Plan * 1.7.3 method security overview * 1.8 Federal Aviation management activities After Battery Incidents * 1.9 more information * 2. Ongoing and deliberate research actions * Appendix—Boeing 787 variety Certification precise stipulations 25-359-SC.
On January 7, 2013, approximately 1021 jap ordinary time, smoke used to be came upon by means of 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 common Edward Lawrence Logan foreign Airport (BOS), Boston, Massachusetts. in regards to the similar time, a upkeep supervisor within the cockpit saw that the auxiliary energy unit (APU)—the sole resource of aircraft energy on the time—had instantly close down. almost immediately 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 body of workers aboard the plane used to be injured. airplane rescue and firefighting group of workers replied, and one firefighter obtained minor accidents. The plane had arrived from Narita foreign Airport, Narita, Japan, as an often scheduled passenger flight operated as JAL flight 008. The APU battery offers strength to begin an APU in the course of flooring and flight operations. Flight information recorder (FDR) information confirmed that the APU used to be began approximately 1004 whereas the plane was once being taxied to the gate after arrival at BOS. The FDR info additionally confirmed that, approximately 36 seconds prior to the APU close down at 1021:37, the voltage of the APU battery begun fluctuating, losing from an entire cost of 32 volts to twenty-eight volts approximately 7 seconds sooner than the shutdown. The APU battery involves 8 lithium-ion cells which are attached in sequence and assembled in rows of 4 cells. every one battery telephone has a nominal voltage of 3.7 volts. The cells have a lithium cobalt oxide compound chemistry and include 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)