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Thread: A320 outer tanks
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Old 9th March 2013 | 07:35
  #8 (permalink)  
WhyByFlier
 
Joined: Feb 2013
Posts: 248
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From: The Wood
It's happened because you have refuelled on BATT only.

As soon as the engines are started the outer tanks fill up because of the IDG/Fuel heat exchanger which returns fuel to the outer tanks.

The transfer valves run off DC not AC.
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