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Old 7th Mar 2013, 19:02
  #846 (permalink)  
Chris Scott
Join Date: Jan 2008
Location: Blighty (Nth. Downs)
Age: 74
Posts: 2,112
Today's NTSB Interim Factual Report indeed makes interesting reading.

APU started at 1004 EST, battery failed at 1021 (only 1 minute after the flight crew had disembarked).

So the failure occurred about 16 mins after the recharge cycle had begun. Must admit I had expected a longer time-frame. I wonder what the temperature of the battery was before and after APU start.
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