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Thread: couple of 737NG questions
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Old 16th October 2012 | 01:45
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sky-738
 
Joined: May 2012
Posts: 50
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From: earth
NSEU，
can I conclude what u just say as : as long as GCU is not powered , the BTB will remain closed?
and also , is IDG the only power for GCU?
THX
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