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MEL Query - B757.  
User currently offlineHAWK21M From India, joined Jan 2001, 31684 posts, RR: 56
Posted (1 year 8 months 3 weeks 3 days 12 hours ago) and read 1912 times:

The B757 MEL permits defferment of "both" packs having High flow mode INOP,however the condition of having the Lower cargo compartments [Fwd & Aft bulk] free of cargo,except Ballast.....It does not say Live cargo but just cargo.
Anyone aware of the reason.


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4 replies: All unread, jump to last
 
User currently offlinefr8mech From United States of America, joined Sep 2005, 5470 posts, RR: 14
Reply 1, posted (1 year 8 months 3 weeks 3 days 11 hours ago) and read 1887 times:

Our MEL doesn't have that prohibition.


When seconds count...the police are minutes away.
User currently offlinetb727 From United States of America, joined Jun 2005, 1609 posts, RR: 9
Reply 2, posted (1 year 8 months 3 weeks 3 days 3 hours ago) and read 1835 times:

Is there a fire suppression system installed in your 757 belly?


Too lazy to work, too scared to steal!
User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 80
Reply 3, posted (1 year 8 months 3 weeks 1 day 14 hours ago) and read 1678 times:

Quoting HAWK21M (Thread starter):
The B757 MEL permits defferment of "both" packs having High flow mode INOP,however the condition of having the Lower cargo compartments [Fwd & Aft bulk] free of cargo,except Ballast.....It does not say Live cargo but just cargo.
Anyone aware of the reason.

In the event of a cargo fire, you probably don't have enough pack flow to prevent smoke from the cargo bay getting into the passenger compartment without at least one pack on High.

Tom.


User currently offlineHAWK21M From India, joined Jan 2001, 31684 posts, RR: 56
Reply 4, posted (1 year 8 months 3 weeks 1 day 1 hour ago) and read 1593 times:

Quoting tb727 (Reply 2):
Is there a fire suppression system installed in your 757 belly?

Afirm.

Quoting tdscanuck (Reply 3):
In the event of a cargo fire, you probably don't have enough pack flow to prevent smoke from the cargo bay getting into the passenger compartment without at least one pack on High.

Wouldn't the Bulk cargo compartment be a sealed area except for blowout panels & equalization valves.



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