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What Is The Unusual Air Vent In 320 Family Cabins?  
User currently offlineStrathpeffer From United Kingdom, joined Jan 2007, 79 posts, RR: 0
Posted (7 years 2 months 3 weeks 5 days 6 hours ago) and read 3768 times:

Last week I flew on a BA A320 and A319. About 0.25 and 0.75 of the way down the cabin there is a small vent located in the dividing wall between two of the overhead racks. On the 319, for example, there is one around row 16. They were definitely present on the right-hand-side rack (facing forward), I didn’t check the left side.

At this location, as well as the vent, there is a wider than normal gap between the overhead rack doors and ‘not a permitted location for cabin divider’ signage. There seemed to be a slight outflow of air from the vent.

I have noticed the same thing on BA’s CFM A320s, and on BD and EI A320 family aircraft.

I assume this is where the various gases to keep us docile are pumped in – am I correct?  Wink

Seriously though, what is it actually for?

Cheers,

PJ


Another Technical Problem?
8 replies: All unread, jump to last
 
User currently offlineTroubleshooter From Germany, joined Feb 2005, 423 posts, RR: 5
Reply 1, posted (7 years 2 months 3 weeks 5 days 1 hour ago) and read 3726 times:

This could be the location of the cabin zone temperature sensors. The sensor housings are connected to the lavatory and galley air extraction system which pulls cabin air over the sensor the measure actual cabin temperature.

The A320 series aircraft is divided into three temperature zones (cockpit, fwd cabin, aft cabin) which have an independent regulation.



This job sucks!!! I love this job!!!
User currently offlineWexCan From United Kingdom, joined Jan 2006, 100 posts, RR: 0
Reply 2, posted (7 years 2 months 3 weeks 4 days 13 hours ago) and read 3564 times:

Must have a look out for that on board tomorrow.

User currently offlineHAWK21M From India, joined Jan 2001, 31568 posts, RR: 57
Reply 3, posted (7 years 2 months 3 weeks 4 days 11 hours ago) and read 3533 times:

Sounds like the Cabin Zone Temperature sensor & its Fan assy used for provding positive airflow over the sensor.
regds
MEL



Think of the brighter side!
User currently offlineKaddyuk From Wallis and Futuna, joined Nov 2001, 4126 posts, RR: 26
Reply 4, posted (7 years 2 months 3 weeks 4 days 9 hours ago) and read 3518 times:

If it is how you described it certainly is a Cabin zone temp sensor. Wouldn't get too close to them, the filters are usually covered in dust and its not healthy!

Also, if you ever get temperature control problems, take the filter out, clean it, lightly clean the sensor and function again. 3 times in 5 it fixes the problem.



Whoever said "laughter is the best medicine" never had Gonorrhea
User currently offlineTristarSteve From Sweden, joined Nov 2005, 3930 posts, RR: 34
Reply 5, posted (7 years 2 months 3 weeks 3 days 20 hours ago) and read 3435 times:

Quoting Kaddyuk (Reply 4):
Also, if you ever get temperature control problems, take the filter out, clean it, lightly clean the sensor and func

Where is the filter?
I went and looked on a BA A319 this morning, and the air inlets are there and if you look in there is no visible filter, and its full of fluff! With the air con off you can feel the air being sucked into the sensors down a very narrow slot.


User currently offlineHAWK21M From India, joined Jan 2001, 31568 posts, RR: 57
Reply 6, posted (7 years 2 months 3 weeks 3 days 1 hour ago) and read 3331 times:

Quoting TristarSteve (Reply 5):
I went and looked on a BA A319 this morning, and the air inlets are there and if you look in there is no visible filter

There is a Filter on the B737 sensor assys.I wonder why not.What stopps Moisture & Dust accumulating on the Sensor affecting its purpose.
regds
MEL



Think of the brighter side!
User currently offlineCFTOA From Canada, joined Aug 2006, 126 posts, RR: 0
Reply 7, posted (7 years 2 months 2 weeks 2 days 2 hours ago) and read 3079 times:

Quoting Troubleshooter (Reply 1):
This could be the location of the cabin zone temperature sensors.

 checkmark 


User currently offlineKaddyuk From Wallis and Futuna, joined Nov 2001, 4126 posts, RR: 26
Reply 8, posted (7 years 2 months 2 weeks 2 days ago) and read 3049 times:

Quoting TristarSteve (Reply 5):
its full of fluff!

Thats almost exactly what the filter is... its similar to the filter material in your vacuum cleaner, its just a white cloth about 3/8ths thick by 3/4ths by about 3" long... They're a pain in the arse to change on the older planes because you have to take the whole panel off... on newer airframes, they have a pop out cover so you dont have to hassle with screws & panels...



Whoever said "laughter is the best medicine" never had Gonorrhea
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