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Thread: FAA Grounds 787s
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Old 31st Jan 2013, 08:04
  #530 (permalink)  
TURIN
 
Join Date: Feb 2002
Location: UK
Age: 58
Posts: 3,507
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The batteries do not supply power to the Cabin Air Compressors.
Emergency Brakes in the event of a complete electrical failure is the only extra heavy user that the battery is needed for compared to the 777.
I think....
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