-
lavatory lighted signs (Ref. TASK 33-26-00-710-001),

 -
lavatory smoke detection (Ref. TASK 26-17-00-710-001),

 -
lavatory call light (Ref. TASK 23-73-00-710-007).

 (4)
 Do a test of the lavatory door emergency access.
 (Ref. Fig. 407/TASK 25-43-42-991-013)

 (a)
 Lock the door from inside the lavatory.

 (b)
 Lift the lavatory sign (141) and move the latch (142) until the indicator (143) shows that the door is not locked.

 (c)
 Open the lavatory door.

 (d)
 Close the lavatory door and move the latch (142) until the indicator (143) shows that the door is locked.

 (e)
 Close the lavatory sign (141).

 (f)
 Unlock the door from inside the lavatory.

 (5)
 Open and close the door to make sure that the door operates correctly.

 (6)
 Make sure that the lavatory auxiliary light is on.

 **ON A/C 301-399,
 Subtask 25-43-42-710-050-A
 E. Do an Operational Test of the Lavatory Systems
 (1) Do an operational test of these water/waste systems:
 -potable water system (Ref. TASK 38-12-00-710-002),
 -waste/water drain system (Ref. TASK 38-32-00-710-002),
 -toilet system (Ref. TASK 38-31-00-710-009).
 NOTE : Leaks are not permitted.
____
 (2)
 Do a functional test of an air extraction point (Ref. TASK 21-23-00-720-002).

 (3)
 Do an operational test of these electrical systems:

 -lavatory water heater (Ref. TASK 38-12-00-710-004),
 -
passenger address system (Ref. TASK 23-73-00-710-022),

 -
passenger oxygen system (Ref. TASK 35-23-00-710-001),

 -
lavatory lighting (Ref. TASK 33-24-00-710-001),

 -
lavatory lighted signs (Ref. TASK 33-26-00-710-001),

 -
lavatory smoke detection (Ref. TASK 26-17-00-710-001),

 -
lavatory call light (Ref. TASK 23-73-00-710-024).

 (4)
 Do a test of the lavatory door emergency access.
 (Ref. Fig. 407/TASK 25-43-42-991-013)

 (a)
 Lock the door from inside the lavatory.

 (b)
 Lift the lavatory sign (141) and move the latch (142) until the indicator (143) shows that the door is not locked.

 (c)
 Open the lavatory door.

 (d)
 Close the lavatory door and move the latch (142) until the indicator (143) shows that the door is locked.

 (e)
 Close the lavatory sign (141).

 (f)
 Unlock the door from inside the lavatory.

 (5)
 Open and close the door to make sure that the door operates correctly.

 Lavatory Door - Emergency Access Figure 407/TASK 25-43-42-991-013
R  EFF : CES  ALL  Page 43725-43-42 Config-2 May 01/05 

 (6) Make sure that the lavatory auxiliary light is on.
 **ON A/C ALL

 5. Close-up
________ R **ON A/C 001-049, 051-099, 101-105, 201-210, 301-399, 401-499,
 Subtask 25-43-42-410-071
 A. Close Access
 (1)
 Install the lower sidewall panel 252AX (Ref. TASK 25-23-44-400-001).

 (2)
 Install the upper sidewall panel 252BX (Ref. TASK 25-23-43-400-001).

 EFF : ALL
25-43-42Page 438

 (3)
 Install the cove light panel 252CX (Ref. TASK 25-23-48-400-001).

 (4)
 Install the ceiling panel 262BC in the aft utility area (Ref. TASK 25-23-42-400-002).

 (5)
 Install the ceiling panel 252JC (Ref. TASK 25-23-41-400-001).

 (6)
 Install the overhead stowage compartments (Ref. TASK 25-24-41-400-001).

R  (7) Install the door frame lining-panels 262VW, 262UW, 262TW (Ref. TASK 25-23-45-400-005).
 (8)
 Install the floor covering (Ref. TASK 25-28-41-400-001) and (Ref. TASK 25-28-42-400-001).

 (9)
 Remove the warning notice(s).

 (10)
 Remove the stepladder.

 (11)
 Make sure that the work area is clean and clear of tool(s) and other items.

 **ON A/C 106-149, 211-299,
 Subtask 25-43-42-410-071-B
 A. Get Access
 (1)
 Install the ceiling panel 262BC and the trim panel in the aft utility area (Ref. TASK 25-23-42-400-002).

 (2)
 Install the ceiling panel 252JC (Ref. TASK 25-23-41-400-001).

 (3)
 Install the door frame lining-panels 262DW, 262FW, 262HW (Ref. TASK 25-23-45-400-005).
　
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