The NTSB has released it’s interim report on the Boeing 787 JAL battery fire and it appears that Boeing’s initial safety assessment had concluded that the only way in which a battery fire would eventuate was through overcharging. Continue Reading…
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But, we tested it? Didn’t we?
Earlier reports of the Boeing 787 lithium battery initial development indicated that Boeing engineers had conducted tests to confirm that a single cell failure would not lead to a cascading thermal runaway amongst the remaining batteries. According to these reports their tests were successful, so what went wrong?