NTSB: 787 battery approval should be reconsidered Associated Press Copyright 2013 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 11:21 am, Thursday, February 7, 2013 WASHINGTON (AP) — The government should reassess its safety approval of the Boeing 787 lithium ion batteries, the nation's top accident investigator said Thursday. The National Transportation Safety Board's investigation of last month's battery fire in a Japan Airlines 787 "Dreamliner" while it was parked in Boston shows the fire started with multiple short-circuits in one of the battery's eight cells, said the board's chairman, Deborah Hersman. The findings are at odds with what Boeing told the Federal Aviation Administration when that agency was working to certify the company's newest and most technologically advanced plane for flight, Hersman said. Boeing said its testing showed that any short-circuiting was contained within a single cell, preventing thermal runaway and fire, she told reporters at a news conference. Investigators are still trying to determine why the first battery cell short-circuited, but the board's findings appear to raise doubts about the thoroughness of FAA's safety certification of the 787's batteries and whether Boeing will be able to make a quick fix that returns the planes to the skies. In 2007, the FAA issued special conditions that Boeing had to meet in order to use lithium ion batteries in the 787, because at that time the agency's safety regulations didn't include standards for such battery systems.
Ntsb: 787 Battery Approval Should Be Reconsidered
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Thu, 02/07/2013 - 12:25pm
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