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Electronics & Test
Lithium-Ion Batteries Emerge as Possible Culprit in Dreamliner Incidents
1/17/2013

Auxiliary power batteries onboard a Japan Airlines Dreamliner 787 caught fire at Boston's Logan Airport on January 7. The battery was taken back to the National Transportation Safety Board's Materials Laboratory in Washington for further examination.   (Source: NTSB)
Auxiliary power batteries onboard a Japan Airlines Dreamliner 787 caught fire at Boston's Logan Airport on January 7. The battery was taken back to the National Transportation Safety Board's Materials Laboratory in Washington for further examination.
(Source: NTSB)

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Charles Murray
User Rank
Blogger
Re: What's Next?
Charles Murray   1/23/2013 7:19:20 PM
NO RATINGS
Seems like the batteries are the culprit, but as of now no one knows why. They've x-rayed the batteries, put them through CT scans, disassembled them and checked the associated wiring bundles and battery management circuit boards. As of now, regulators have said that overcharging doesn't seem to be the issue, but we don't know much more than that. We'll have more coverage on this coming up.

Charles Murray
User Rank
Blogger
Re: What's Next?
Charles Murray   1/23/2013 8:13:22 PM
NO RATINGS
Japen's agency essentially has said the same as the U.S. NTSB, to date, Cabe. No overvoltage. No overcharging, according to the reports I've seen.

Jennifer Campbell
User Rank
Gold
Re: What's Next?
Jennifer Campbell   1/23/2013 9:14:41 PM
NO RATINGS
Looking forward to reading your follow-up coverage on this, Chuck.

You have to wonder who in their right mind would get on the 787 after all this?

kostya2012
User Rank
Iron
Re: Interesting subject.
kostya2012   2/7/2013 7:56:01 PM
NO RATINGS
@ervin0072002

max take off weight of 787-9 is 251 metric tons (modification for long distanses 15700km), total force from engines 64.4tons

amazingly 787-3 (not in production) has near 170 tons weight and flight distance 5500km, total engine force 48 tons - look like very different plain, but with same design & engines.

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