temperature a factor in Boeing 787 battery meltdown in Japan: Asahi
Send a link to a friend
[August 05, 2014]
TOKYO (Reuters) - Cold winter
temperatures were a factor in the meltdown of a lithium ion battery that
caused a Boeing Co 787 Dreamliner to make an emergency landing in Japan
last year, the Asahi newspaper said, citing the conclusions of local
The battery meltdown on the ANA Holdings Inc-owned plane prompted
authorities to ground the global fleet of Dreamliners for more than
It followed an incident less than two weeks earlier at Boston
Airport when a battery on a parked Japan Airlines 787 overheated and
emitted white gases.
Low temperatures can cause a lithium ion battery to deteriorate,
resulting in the risk of a short circuit, Kyodo News reported
separately. The battery is located in an unpressurized, unheated
part of the plane.
The Japan Transport Safety Board plans to release a final report on
its findings as early as September, the Asahi said, without citing
A spokeswoman for accident investigator declined to comment on the
Boeing won approval for Dreamliner flights to resume after it
redesigned the battery compartment to isolate thermal events and
vent hot gases outside the aircraft.
[to top of second column]
The Dreamliner is Boeing's state-of-the-art plane, built with
carbon-fiber composite materials and a powerful electrical system to
reduce weight and improve the jet's fuel efficiency.
(Reporting by Tim Kelly and Chris Gallagher; Editing by Edwina
[© 2014 Thomson Reuters. All rights
Copyright 2014 Reuters. All rights reserved. This material may not be published,
broadcast, rewritten or redistributed.