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Thread: B737 Pneumatics
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Old 17th May 2010, 10:21
  #7 (permalink)  
ampclamp
 
Join Date: Jul 2008
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capt solopsist correct

The captain S is correct. Very simple reason.
The fail safe for bleed air is open hence the solenoid powers the engine bleed off.
Same for many hyd systems.Fail safe to hyd on, powered to off position.
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