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Thread: Differences between 737-300 and 737-400/500
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Old 26th January 2011 | 01:37
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ClimbSequence
 
Joined: Aug 2007
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From: N1035.5W06700.1
On the -400 you have 2 recirculation fans whereas the -300/500 have only 1 and therefore makes the whole air conditioning schematic different
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