1 / 19

Investigative Update of Battery Fire Japan Airlines B-787 - Jan 7, 2013

Investigative Update of Battery Fire Japan Airlines B-787 - Jan 7, 2013 . Deborah A.P. Hersman Chairman February 7, 2013. Main battery location. Auxiliary Power Unit (APU) battery location. Previous Findings. Fire Thermal runaway Short circuiting. Progress.

achilles
Download Presentation

Investigative Update of Battery Fire Japan Airlines B-787 - Jan 7, 2013

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Investigative Update of Battery FireJapan Airlines B-787 - Jan 7, 2013 • Deborah A.P. Hersman • Chairman • February 7, 2013

  2. Main battery location Auxiliary Power Unit (APU) battery location

  3. Previous Findings • Fire • Thermal runaway • Short circuiting

  4. Progress • Determine the origin of the battery fire • Determine the cause of the fire • Review certification documentation and testing

  5. Investigative Work Testing and Examinations

  6. Thermal Damage 8 1 Area of most thermal damage 2 7 3 6 5 4

  7. Inside the Battery Cells on the left side Cells on the right side 1 2 4 3 7 6 5 8 Moderate thermal damage Substantial thermal damage

  8. Mechanical Damage 8 1 2 7 3 6 5 4

  9. Focus on Cell #6 Event battery from JAL airplane Cell #6

  10. Damaged electrode in Cell #6 Hot Spot Yellow card is a laboratory marking used for identification purposes.

  11. Ruled Out • Mechanical impact damage Damage from firefighting efforts

  12. Ruled Out • External short circuit of cell or battery Viewed From Outside (Post-clean)

  13. Still Being Evaluated • Cell charging • Potential manufacturing issues • Battery design considerations

  14. Certification of the 787 Battery

  15. Certification of the 787 Battery FAA Special Conditions: Boeing Model 787-8 Airplane; Lithium Ion Battery Installation October 11, 2007

  16. Certification of the 787 Battery Exemplar Battery JAL Event Battery

  17. Next Steps • Examine validation methods for certification of battery • Conduct tests on field replacement batteries • Open our public docket and provide an interim factual report within 30 days

More Related