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Thread: Another 787 electrical/smoke incident (on ground)
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Old 8th Jan 2013, 18:14
  #40 (permalink)  
keel beam
 
Join Date: Apr 2004
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Batteries
The B787 main battery has a battery diode module to prevent being charged by any source apart from the main battery charger.

The APU does not have a battery module diode.

There is then a possibility that the APU battery is being over charged and any safeguards are overridden. (The APU battery is in the aft electronics bay)

So I would not be surprised if a mod came out to install a battery diode module for the APU battery.
Last edited by keel beam; 8th Jan 2013 at 18:22.
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