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Old 27th Jun 2009, 16:32
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1.86EPR
 
Join Date: Jan 2002
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B737 Ng (600/700)
Hi folks,

Can anyone tell me why conditioned air from the left pack, that is used to feed the cockpit, is tapped off upstream of the mix manifold while excess air from the left pack and conditioned air from the right pack both go through the mixing manifold prior to introduction to the cabin sections?

i.e. is there some special reason air destined for the cockpit avoids the mixing manifold?

Thanks!
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