New PDF release: 2013 Boeing 787 Dreamliner Airplane Lithium Battery Fire

By U.S. Government,National Transportation Safety Board (NTSB)

ISBN-10: 1521079730

ISBN-13: 9781521079737

This publication presents an updated compilation of records and knowledge from the nationwide Transportation defense Board (NTSB) concerning the ongoing research into fires and smoke incidents regarding lithium-ion batteries on Boeing 787 Dreamliner advertisement airplanes in 2013. It contains the March intervening time real document which summarizes the NTSB's preliminary findings at the JAL battery fireplace research. The record contains information on how the upkeep own came across the fireplace and the way the firefighters spoke back and extinguished it, findings from the exam of the battery and try result of similar parts, preliminary experiences at the flight recorder facts, an outline of the 787 electricity approach certification plan, and a listing of ongoing and deliberate investigative actions. Contents of that record include:

Abbreviations and Acronyms * government precis * 1. real info * 1.1 occasion heritage * 1.2 aircraft details * 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 telephone Case harm * 1.5.4 Radiographic Examinations * 1.6 part trying out * 1.6.1 Battery Charger Unit * 1.6.2 begin strength Unit * 1.6.3 Battery tracking Unit * 1.6.4 Contactor * 1.6.5 Auxiliary strength Unit Controller * 1.7 process protection and Certification * 1.7.1 sort Certification and Battery exact stipulations * 1.7.2 Certification Plan * 1.7.3 procedure safeguard evaluation * 1.8 Federal Aviation management activities After Battery Incidents * 1.9 additional info * 2. Ongoing and deliberate research actions * Appendix—Boeing 787 style Certification certain stipulations 25-359-SC.

On January 7, 2013, approximately 1021 japanese normal time, smoke used to be chanced on via cleansing team 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. in regards to the related time, a upkeep supervisor within the cockpit saw that the auxiliary strength unit (APU)—the sole resource of plane energy on the time—had instantly close down. presently later on, a mechanic opened the aft digital gear (E/E) bay and located heavy smoke and hearth coming from front of the APU battery case.2 No passengers or crewmembers have been aboard the aircraft on the time, and not one of the upkeep or cleansing body of workers aboard the plane was once injured. plane rescue and firefighting group of workers spoke back, and one firefighter got minor accidents. The aircraft had arrived from Narita overseas Airport, Narita, Japan, as an often 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 info 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 information additionally confirmed that, approximately 36 seconds sooner than the APU close down at 1021:37, the voltage of the APU battery begun fluctuating, shedding from an entire cost of 32 volts to twenty-eight volts approximately 7 seconds earlier than the shutdown. The APU battery contains 8 lithium-ion cells which are hooked up in sequence and assembled in rows of 4 cells. each 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)


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