ILF 502, 503, 514, 524, 707-710; ILF 101, 156-199, 409, 410, 412, 416, 451, 501, 504, 508, 513, 515, 516, 518, 531,
532, 536, 541, 542, 552, 571, 572, 574, 576, 803-813, 821, 822, 831, 854-856, 861-863, 871-873 PRE SB 737-56-1017
(Continued)
(Continued)
F/O Electrical System Panel, P6-12
Row Col Number Name
ILF ALL
B 8 C00394 WINDOW HEAT POWER RIGHT FRONT
B 9 C00392 WINDOW HEAT POWER LEFT SIDE
These circuit breakers are inoperative and should remain open:
F/O Electrical System Panel, P6-11
Row Col Number Name
ILF 151, 331, 402, 405, 406, 452, 509, 510, 512, 519, 520, 523, 525-528, 530, 553-555, 575, 703; ILF
101, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 332-399, 401, 409, 410, 412, 416, 424, 425,
427-429, 451, 501, 504, 507, 508, 513, 515, 516, 518, 531-533, 535-537, 541, 542, 552, 556, 557,
571-574, 576, 686, 803-813, 821, 822, 831, 854-856, 861-863, 871-873 POST SB 737-56-1017
B 7 C00229 WINDOW HEAT POWER L4 & L5 (INOP)
F/O Electrical System Panel, P6-12
Row Col Number Name
B 7 C00395 WINDOW HEAT POWER R4 & R5 (INOP)
ILF ALL
SUBTASK 30-41-11-740-004
(2) Do this test on the WHCU BITE.
(a) Set the WINDOW HEAT switches, on the P5 overhead panel, to the ON position.
(b) Press the LAMP TEST switch.
1) Make sure all lights (5 red, 1 green) on the face come on.
2) If any light stays off, replace the unit.
(c) Press the BIT VERIFY switch for 1 second.
1) Make sure that the green light comes on.
H. Put the Airplane back to Its Usual Condition.
SUBTASK 30-41-11-410-001
(1) Close this access panel:
Number Name/Location
117A Electronic Equipment Access Door
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-11
Page 409
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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