Air condition and overhead problems

[Vollie 11]

Hello,

 

I got this problem in the flight, an air condition and overhead problem. I tried to find it in the QRH but no results.

 

Can Someone tell me what happened and how to resolve the problem for the next time?

 

A screenshot for who want to see what I mean.

[Yosm 19]

You forgot to enter the cruise altitude in the AC panel. it is needed when the AC is on Auto.

It must be entered before take off.

[PHXMD-11 86]

 

 

Can Someone tell me what happened and how to resolve the problem for the next time?

 

What's the problem with the air conditioning system? What indicator light is illuminated on the overhead panel?

[et31 39]

 

 

Hello,



I got this problem in the flight, an air condition and overhead problem. I tried to find it in the QRH but no results.



Can Someone tell me what happened and how to resolve the problem for the next time?



A screenshot for who want to see what I mean.

 

Hi Volkan,

 

Your currently in a 1300 FPM descent. Reset your cruise altitude.

 

Its an unscheduled descent.

 

Kind regards

 

Greg

[pete_auau 1,163]

could be  a number of  things  packs not  set, bleed trip off,  auto fail  , as mentioned above  off scheduled  descent,   

 

fcom2   15.20.4

[et31 39]

 

 

Hello,



I got this problem in the flight, an air condition and overhead problem. I tried to find it in the QRH but no results.



Can Someone tell me what happened and how to resolve the problem for the next time?



A screenshot for who want to see what I mean.

 

Also im pretty sure an Air Cond warning is in the QRH.

 

If you could post a picture of the actual overhead that would help.

 

If the unscheduled descent light is on try resetting the cruise altitude.

 

Greg

[pete_auau 1,163]

Hi Volkan,

 

Your currently in a 1300 FPM descent. Reset your cruise altitude.

 

Its an unscheduled descent.

 

Kind regards

 

Greg

 Could be  mistaken here but  do correct me though, in the picture he has posted he has set the alt  to 13000  and his descending  thru 16000

[et31 39]

 

 

Could be mistaken here but do correct me though, in the picture he has posted he has set the alt to 13000 and his descending thru 16000

 

Hi Peter,

 

I dont think it works of the altitude set in the MCP I think it only works with what is in the altitude panel on the overhead.

 

Thanks

 

Greg

[Vollie 11]

Hi All,

 

Thanks for all your posts,

 

I coudnt remember if I set the cruise alt, maybe I had forgotten. But one thing what I know was that I turned off the APU bleed whole flight, Dont know if its wrong?

 

I take another screenshot to show wich indicattor illimunates...I marked it with a red circle...

 

And I dont know what to do when it appears..anyone can tell me wich page I look in the QRH?

 

[rsvit 16]

It's an OFF SCHED DESCENT light.

See FCOM vol.2 page 130 for info and QRH page 76 for how to deal with it. Always set on overhead your planned initial cruise altitude.

[ajacied551 1]

Hi All,

 

Thanks for all your posts,

 

I coudnt remember if I set the cruise alt, maybe I had forgotten. But one thing what I know was that I turned off the APU bleed whole flight, Dont know if its wrong?

 

I take another screenshot to show wich indicattor illimunates...I marked it with a red circle...

 

And I dont know what to do when it appears..anyone can tell me wich page I look in the QRH?

the OFF SCHEDULE DECENT light illuminaties when the aircraft is decending before reaching the FLT ALT selected on the cabin pressure control panel. Go to QRH page 2.10 when this light illuminates but just reset the FLT ALT on the cabin pressure control panel to the current altitude of the airplane to extinguish the OFF SCHEDULE DECENT light.

 

 

Mark

Boeing 737-6/7/8/900(ER) Ground Engineer.

[JB252 15]

^^^

 

Any time you have a warning of this nature, check pressure and setting and hit the reset button

[Kerlix 99]

I noticed you have your cruise alt set to 10k on the a/c panel. Possibly the problem. But I'm at work and don't have time to verify. Anybody?

[Vollie 11]

I will check the pages...

 

But is it not a problem if I turn off the APU bleed ?

 

Or must I turn it on while engines started up and in flight?

[scandinavian13 5,192]

But is it not a problem if I turn off the APU bleed ?

 

No.

 

 

 

Or must I turn it on while engines started up and in flight?

 

Yes.  Especially when the APU is on.  You cannot have throttles above IDLE at any time DUAL BLEED is indicated on the overhead.

 

To be bluntly honest, it sounds like flying the tutorials would do you a ton of good.

 

...heck, they end up flying through uw vaderland, too.