(d)  
Set the switch to the usual position.

 (e)  
Remove electrical power if it is not necessary
 (AMM 24-22-00/201).

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A
737-300/400/500MAINTENANCE MANUAL
 NIGHT LIGHTS - MAINTENANCE PRACTICES
____________________________________
 1.  General_______
 A.  This procedure contains these tasks for a night light (referred to as a light):
 (1)  Night Light - Lamp Replacement
 TASK 33-21-22-962-005
 2.  Night Light - Lamp Replacement (Fig. 201)______________________________
 A.  References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
SSM 33-22-00

 (3)  
WDM 33-00-01, Lamp Usage Chart

 (4)  
WDM 33-22-11 thru 33-22-99

 B.  Access
 (1)  Location Zone
 100 Upper Half of Fuselage

 C.  Procedure
 S 962-007
 (1)  Replace the lamp.
 (a)  
Do one of these steps to remove electrical power from the light: 1) At the attendant's panel, set the switch to the off

 position and attach the DO-NOT-OPERATE tag. 2) Open each applicable circuit breaker for the night light and attach the DO-NOT-CLOSE tag: 3) On the load control center panel, P18.

 (b)  
Carefully replace the lamp.

 S 712-008
 (2)  Do a test of the new lamp.
 (a)  
Supply electrical power (AMM 24-22-00/201).

 (b)  
Remove each DO-NOT-OPERATE or DO-NOT-CLOSE tag.
 1) Close each circuit breaker that was opened.

 (c)  
Set the switch to the on position.
 1) Make sure the new lamp comes on correctly.

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A 737-300/400/500MAINTENANCE MANUAL

CEILING LIGHT LAMP (REF)
NIGHT LIGHT
NIGHT LIGHT
(END OF CEILING LIGHT - EXAMPLE)

Night Lights - Lamp Replacement
Figure 201

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B56168
A 737-300/400/500MAINTENANCE MANUAL
 (d) (e)  Set the switch to the usual position.Remove electrical power if it is not necessary (AMM 24-22-00/201).

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A
737-300/400/500MAINTENANCE MANUAL
 WINDOW REVEAL (SIDEWALL) LIGHTS - MAINTENANCE PRACTICES
_______________________________________________________
 1.  General
_______
 A.  This procedure contains these tasks for a window reveal (sidewall) light (referred to as the light):
 (1)  
The replacement of the lamp in a window reveal light installed in the sidewall.

 (2)  
The replacement of the lamp in a window reveal light installed above the sidewall.

 (3)  
The replacement of the ballast in a window reveal light installed in the sidewall.

 (4)  
The replacement of the ballast in a window reveal light installed above the sidewall.
　
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