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Old 6th December 2021 | 15:56
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N1 Limit
 
Joined: Nov 2009
Posts: 176
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From: in the mix muff
Single Pack operation B737 NG

Dear All
i’d like to know why with 1 Pack Inop we’re limited to FL250 if on ground whereas if the Pack gets Inop while at cruise level we can maintain current Flight Level?
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