(a) Do this task: Supply External Power, TASK 24-22-00-860-813.
(b) Make sure the BAT switch on the P5-13 panel is set to the ON position.
(c) Make sure the STANDBY POWER switch on the P5-5 panel is set to the AUTO position.
(d) Make sure that the BAT DISCHARGE light on the P5-13 panel is off.
(e) Make sure that the ELEC light on the P5-13 panel is off.
(f) If the ELEC light on the P5-13 panel is on, do this check to make sure that the BAT
CHGR INOP message is not present.
1) Set both the AC meter selector switch and the DC meter selector switches on the
P5-13 panel to the TEST position.
2) Push and release the MAINT switch on the P5-13 panel to display messages. Push
the MAINT switch again to advance to the next message. Do this procedure until all
of the messages have been displayed.
3) Make sure that the BAT CHGR INOP message is not displayed.
G. Put the Airplane Back to its Usual Condition
SUBTASK 24-31-21-410-002-001
(1) Close this access panel:
Number Name/Location
117A Electronic Equipment Access Door
SUBTASK 24-31-21-860-003-001
(2) Do this task: Remove Electrical Power, TASK 24-22-00-860-812.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-31-21
Config 1
Page 405
D633A101-ILF Jun 15/2015
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 707-710
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