smittyone
Posts: 1336
Joined: Thu Feb 09, 2012 12:55 am

757 Lavatory Service Panel

Sun Jul 08, 2012 1:37 pm

I tried searching for an answer with no luck.

Does anyone know the story behind the different lavatory service panel configurations on the Boeing 757?

I noticed that some 752s have a lav service panel under the L2 Door but others don't. I haven't seen any pics of 753s with that panel.

The other question I have is, if the lav service panel isn't under the L2 door, where would it be then?

Under the L2 door seems like a bad spot for it given the utility of hooking up a jetway there...

Thanks -
 
Dalmd88
Posts: 2412
Joined: Fri Jul 28, 2000 3:19 am

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 2:57 pm

For most DL ordered aircraft the mid lav is serviced from a panel just fwd of the R2. The location is dependent on where the lav is located. Another location for mid lav is on the belly just aft of the wing.
 
smittyone
Posts: 1336
Joined: Thu Feb 09, 2012 12:55 am

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 3:13 pm

Quoting Dalmd88 (Reply 1):

For most DL ordered aircraft the mid lav is serviced from a panel just fwd of the R2. The location is dependent on where the lav is located. Another location for mid lav is on the belly just aft of the wing.

Interesting - thanks for the info.

Looking back at the photos I see that former TWA and NWA 757s that Delta flies seem to have the panel but the 757-232s don't...does that cause headaches for ground crews?

The one I'm talking about is very prominent on the AA jets for obvious reasons:

http://www.airliners.net/photo/Ameri...d=bd9a3d8d042a16ea95d7054936350db2

[Edited 2012-07-08 08:18:09]
 
Daleaholic
Posts: 2653
Joined: Sat Oct 29, 2005 9:38 am

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 3:51 pm

It's about a metre behind the nosewheel. Slightly towards the port side of the aircraft.  
Religion is an illusion of childhood... Outgrown under proper education.
 
smittyone
Posts: 1336
Joined: Thu Feb 09, 2012 12:55 am

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 4:56 pm

Quoting Daleaholic (Reply 3):
It's about a metre behind the nosewheel. Slightly towards the port side of the aircraft.  

Is that where they pump out the rich people's poop?  


I was talking about the much larger panel under the L2 door. Sticks out like a sore thumb against the bare metal fuselage!
 
Daleaholic
Posts: 2653
Joined: Sat Oct 29, 2005 9:38 am

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 5:10 pm

Quoting SmittyOne (Reply 4):
Is that where they pump out the rich people's poop?

It is indeed!

Quoting SmittyOne (Reply 4):
I was talking about the much larger panel under the L2 door. Sticks out like a sore thumb against the bare metal fuselage!

I'm not too sure what that is!
Religion is an illusion of childhood... Outgrown under proper education.
 
Tristarsteve
Posts: 3365
Joined: Tue Nov 22, 2005 11:04 pm

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 7:26 pm

The B757-200 has old type sit on the tank toilets (Never seen a -300)
This means that the service panel must be close to the toilet. Boeing let the airline decide where the toilets are, and then put the service panels near them.
Most airlines had toilets on the rear bulkhead, and around the fwd doors. So ther were two panels, one fwd and one aft.
But some airlines put a toilet around L2/R2 doors, and this needed a third panel. (or second if you didn't have one at the front!)
Not only toilet service has diverse locations, all B767 I have ever seen have water service under the fusealage at the rear.
Until last week when I saw a Delta B767 was being serviced at the fwd fuselage under the L1 door.
 
yeelep
Posts: 727
Joined: Mon Apr 04, 2011 7:53 pm

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 7:52 pm

I think Dalmd88 hit the nail on the head. Those aircraft with recirculating tanks in the lav. require the service panel to be located nearby because the dumping of the tank is by gravity. So if the plane has a has a fwd mid lav. it will have a servicing panel located below it. Whether the servicing panel is on the left or right side is probably dictated by the side the lav. is located (otherwise the dump tube would travel through the cargo pit). I believe the 757-300 all have a vacuum waste system, so just the one service panel towards the rear of the plane.

edit: Had not seen Steve's post. The only bit I can add was the -300 came after the 737NG which I believe the 757 vacuum waste system is based upon.

[Edited 2012-07-08 13:00:01]
 
smittyone
Posts: 1336
Joined: Thu Feb 09, 2012 12:55 am

RE: 757 Lavatory Service Panel

Sun Jul 08, 2012 10:16 pm

Thanks for all the informative replies.

Have an extra gallon of blue juice - on me!

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