(d)  
Put the switch in the OFF position.

 (e)  
Make sure the "LOCK DOOR" sign comes on when the door latch is locked.

 (f)  
Make sure the speaker operates correctly.

 (g)  
Push the attendant call switch.

 (h)  
Make sure that the call light comes on and stays on.

 (i)  
Push the attendant call light to set the circuit.

 (j)  
Make sure that the light goes off.

 (k)  
Make sure the shaver outlet operates correctly.

 S 714-043
 (19) Make sure the plumbing system operates correctly.
 (a)  
Make sure the lines and connections do not have leaks.

 (b)  
Open the hot water faucet tab.

 (c)  
Make sure that heated water is available.

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747-400 MAINTENANCE MANUAL
 S 414-044
 (20)
 Install the adjacent ceiling panels of the upper deck if removed before (AMM 25-22-03/401).

 S 424-104

 (21)
 Install items removed before.

 S 424-065

 (22)
 Install the flight deck step.

 S 424-066

 (23)
 Install the lavatory door, it is was removed.

 S 414-046

 (24)
 Install the upper deck passenger seats if removed before (AMM 25-25-01/401).

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747-400 MAINTENANCE MANUAL
 LAVATORY WASTE COMPARTMENT - INSPECTION/CHECK
_____________________________________________
 1.  General
_______
 A.  This procedure contains one task which, is to do an inspection/check of the lavatory waste compartment.
 B.  The lavatory waste compartment has a waste compartment door, waste chute, and a waste flap door.
 C.  The inspection/check of the lavatory waste compartment includes a check of the operation, fit, seal, and damage. The procedure is used to make sure a fire cannot go outside of the compartment.
 TASK 25-41-00-206-001
 2.  Lavatory Waste Compartment - Inspection/Check (Fig. 601)
_____________________________________________
 A.  References
 (1)  
IPC 25-40-01

 (2)  
IPC 25-40-03

 B.  Access
 (1)  Location Zone
 200 Upper Half Fuselage

 C.  Procedure
 S 216-002
 (1)  
Make sure there are no leaks in the seals of the lavatory waste compartment.

 S 216-003

 (2)  
Do an inspection of the lavatory paper and waste compartment door, waste flap, and waste chute :

 (a)  
Make sure the waste compartment door, waste flap, and waste chute operate correctly.

 (b)  
Make sure the waste compartment door, waste flap, and waste chute are installed correctly.

 (c)  
Make sure the waste compartment door, waste flap, and waste chute seal correctly.

 (d)  
Make sure there is no damage caused by trash fires.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

WASTE FLAPSEE A
WASTE CHUTE DOOR LATCH FOR THE
SINK CABINET WASTE COMPARTMENT
(REF)
WASTE COMPARTMENT
DOOR

LAVATORY MODULE EXAMPLE
WASTE FLAP
RETAINING SPRING WASTE FLAP A
Waste Compartment Door
　
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