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High OAT Fire Bottle Thermal Discharge  
User currently offlineUAL Bagsmasher From United States of America, joined Sep 1999, 2148 posts, RR: 10
Posted (7 years 6 months 1 day 7 hours ago) and read 2032 times:

Has anyone else experienced fire bottles thermally discharging due to high ambient temps? We've seen a few cargo bottles blow their thermal relief plugs over the past month due to high ambient temps. Is the CRJ-200 the only aircraft that has this problem in the summer? The high heat level in the APU bay is just too much for the bottles to withstand.

3 replies: All unread, jump to last
 
User currently offlinePhxpilot From United States of America, joined Jul 2005, 80 posts, RR: 2
Reply 1, posted (7 years 6 months 1 day 4 hours ago) and read 1993 times:

YV had a problem with that on the CRJ2. A policy was instituted prohibiting running the APU on the ground because of that issure. Supposedly air and power would "automatically" be connected upon arrival. It didn't happen. We would sit and sweat with no air for 10 minutes in PHX with a 110 OAT. Still no air so started the APU. That great idea lasted about a month.

User currently offlineHAWK21M From India, joined Jan 2001, 31712 posts, RR: 56
Reply 2, posted (7 years 6 months 16 hours ago) and read 1938 times:

Why was a shielding not provided on the Firebottle in that hot zone.
regds
MEL



Think of the brighter side!
User currently offlineUAL Bagsmasher From United States of America, joined Sep 1999, 2148 posts, RR: 10
Reply 3, posted (7 years 6 months 8 hours ago) and read 1895 times:

Not sure why they didn't insulate it better. But with the APU running and high OAT, it gets mighty toasty up there Smile

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