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 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 424, 425, 427-429, 502, 503, 507,
514, 524, 533, 535, 537, 556, 557, 568, 583, 588, 592-596, 671, 672, 707-710, 832, 836, 837, 841,
842, 968-970, 972, 973, 980-999; ILF 101, 156-199, 409, 410, 416, 451, 501, 504, 508, 513, 515,
516, 518, 531, 532, 536, 541, 542, 552, 571-574, 576, 686, 803-813, 821, 822, 831, 854-856,
861-863, 871-873 PRE SB 737-56-1017; ILF 412 POST SB 737-30-1046 OR PRE SB
737-56-1017
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 331; ILF 301, 304, 308, 310, 314, 315, 317-319, 323, 332-399, 401, 424, 425, 427-429, 507,
533, 535, 537, 556, 557 POST SB 737-56-1017; ILF 412 POST SB 737-56-1017 AND POST SB
737-30-1046
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 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 424, 425, 427-429, 502, 503, 507, 514,
524, 533, 535, 537, 556, 557, 568, 583, 588, 592-596, 671, 672, 707-710, 832, 836, 837, 841, 842,
968-970, 972, 973, 980-999; ILF 101, 156-199, 409, 410, 416, 451, 501, 504, 508, 513, 515, 516, 518,
531, 532, 536, 541, 542, 552, 571-574, 576, 686, 803-813, 821, 822, 831, 854-856, 861-863, 871-873
PRE SB 737-56-1017; ILF 412 POST SB 737-30-1046 OR PRE SB 737-56-1017
(b) Push the applicable window heat switch to the ON position.
(c) Monitor the inner temperature of the window adjacent to the thermal switch [2] with
pyrometer, STD-1179, or Infrared Thermometer, COM-1572.
(d) If the temperature stays between 65 and 105 degrees F (18.3 and 40.6 degrees C) for
window No. 3 and 80 and 125 degrees F (27 and 52 degrees C) for window No. 5, then
you have corrected the fault.
NOTE: It may take more than 15 minutes for the window to heat.
SUBTASK 30-41-31-860-002
(2) Put the window heat switch in the OFF position.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-31
Page 409
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 424, 425, 427-429,
502, 503, 507, 514, 524, 533, 535, 537, 556, 557, 568, 583, 588, 592-596, 671, 672,
707-710, 832, 836, 837, 841, 842, 968-970, 972, 973, 980-999; ILF 101, 156-199,
409, 410, 416, 451, 501, 504, 508, 513, 515, 516, 518, 531, 532, 536, 541, 542,
552, 571-574, 576, 686, 803-813, 821, 822, 831, 854-856, 861-863, 871-873 PRE
SB 737-56-1017; ILF 412 POST SB 737-30-1046 OR PRE SB 737-56-1017
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