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Thread: FAA Grounds 787s
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Old 16th April 2013 | 05:47
  #1620 (permalink)  
mm43
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Joined: Jun 2009
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From: NNW of Antipodes
@ OE
... puzzled as the why the APU battery must remain connected after it has started the APU.
My understanding is that safety protections/fire extinguishing etc.. require the APU battery.
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