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Thread: FAA Grounds 787s
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Old 21st January 2013 | 22:54
  #277 (permalink)  
peter we
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Joined: Jan 2004
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From: london,uk
The APU is required for the ETOPS certification, which by definition has to be very reliable and therefore needs a very reliable battery.

I can see that this is going to be a long process.
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