Accident Investigations

NTSB photos of the burned auxiliary power unit battery from a JAL Boeing 787 that caught fire on Jan. 7 at Boston's Logan International Airport. The dimensions of the battery are 19x13.2x10.2 inches and it weighs approximately 63 pounds (new).		Photo of an undamaged battery used in the Boeing 787.
NTSB Investigator Mike Bauer inside the Boeing 787 under investigation at Boston's Logan Airport.	Examination of the Battery Charger Unit.	NTSB investigator Joseph Panagiotou documents internal components from the battery involved in the JAL Boeing 787 fire incident in Boston.
NTSB Materials Engineer Matt Fox examines the casing from the battery involved in the JAL Boeing 787 fire incident in Boston.	Director of the Office of Research and Engineering, Joseph Kolly, identifies components of the battery involved in the JAL B-787 incident during the media briefing held January 24, 2013.	NTSB investigator Joseph Panagiotou examines a battery cell from the JAL B-787 with a stereo microscope.
In Seattle, NTSB investigators and Boeing engineers examine the type of lithium ion battery used on the Boeing 787 to start the auxillary power unit and to provide backup power for flight critical systems.	NTSB identifies origin of JAL Boeing 787 battery fire; design, certification and manufacturing processes come under scrutiny

Investigative Report and Related Documents

• Aircraft Incident Report: Auxiliary Power Unit Battery Fire Japan Airlines Boeing 787-8, JA829J
• Safety Recommendations:
• A-14-032 through 036
• A-14-113 through 127
• A-14-128 through 129
• A-14-130
• Interim Factual Report
• Accident Docket

UL Reports and related documentation

• UL Forensic Report
• UL ISC Report
• UL Analysis of asset 459 Cell 5
• Airworthiness Factual Report Addendum
• Airworthiness Factual Report Addendum - Testing
• UL Battery Nail Penetration Test 15C Grounded NTSB
• UL Battery Nail Penetration Test 70C Ungrounded

Presentations

• Presentation for Investigative Update - [ PDF] (February 7, 2013)
• FAA Special Conditions for B-787 Lithium Ion Battery Installation - [PDF] (February 7, 2013)
• Presentation for Investigative Update - [PDF] (January 24, 2013)
• Primer on Lithium Ion Battery Technology - [PDF] (January 24, 2013)

Events

• Investigative Hearing: Boeing 787 Battery Fire (April 23-24)
• Forum: Lithium Ion Batteries in Transportation (April 11 - 12, 2013)

Video

• Chairman Hersman provides second media briefing on the JAL Boeing 787 battery fire investigation. (February 7, 2013)
• Chairman Deborah A.P. Hersman briefs the media on the JAL Boeing 787 battery fire investigation. (January 24, 2013)