SUBTASK 24-41-11-010-006
(5) Remove the access panel on forward right hand side of nose gear wheel well, to get access to
the back of the receptacle.
SUBTASK 24-41-11-010-007
(6) Remove the cover assembly [1] as follows:
ILF 491-495, 497, 559, 563, 564, 588-590, 592, 972, 980-999; ILF 101, 151, 156-199, 301, 304, 308,
310, 314, 315, 317-319, 323, 331-399, 401, 402, 405, 406, 409, 410, 412, 416, 424, 425, 427-429, 451,
452, 496, 498-504, 507-510, 512-516, 518-520, 523-528, 530-533, 535-537, 541, 542, 552-557, 560-562,
567-569, 571-577, 581, 583, 585, 671, 672, 703, 707-710, 803-813, 821, 822, 831, 832, 836, 837, 841,
842, 851, 852, 854-858, 861-863, 871-874, 947, 948, 968-971, 973 POST SB 737-24-1198
(a) Bend the ears at the two corners of the protective boot away from the cover assembly [1].
(b) Pull the protective boot away from the cover assembly [1].
ILF ALL
(c) Remove the four nuts [2] and washers [3] that hold the cover assembly [1].
(d) Remove cover assembly [1] for access to receptacle.
F. Procedure
SUBTASK 24-41-11-210-001
(1) Inspect the External Power Receptacle from the outside of airplane as follows:
(a) Look for cracks or other damage on the receptacle base.
(b) Look for loose, bent or cracked pins.
(c) Look for discolored, corroded or pitted pins.
NOTE: Discoloration of pins is due to excessive heat, which is caused by excessive
corrosion and poor contact between pin and socket. The receptacle should be
replaced if this is found.
ILF 593-599, 601-603, 606, 607, 610-615, 620, 625-627, 686, 691-699, 833-835, 838; ILF 101, 151,
156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 402, 405, 406, 409, 410, 412, 416,
424, 425, 427-429, 451, 452, 496, 498-504, 507-510, 512-516, 518-520, 523-528, 530-533, 535-537,
541, 542, 552-557, 560-562, 567-569, 571-577, 581, 583, 585, 671, 672, 703, 707-710, 803-813, 821,
822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863, 871-874, 947, 948, 968-971, 973 PRE
SB 737-24-1198
SUBTASK 24-41-11-210-002
(2) Inspect the External Power Receptacle from the inside of airplane as follows:
(a) Look for discoloration of the receptacle studs and electrical leads.
CAUTION
DO NOT INSTALL WASHERS BELOW THE ELECTRICAL LEAD
TERMINAL LUGS. THIS WILL CAUSE HEAT AND SUBSEQUENT
DAMAGE TO RECEPTACLE STUDS.
(b) Make sure that the electrical leads are correctly installed onto receptacle studs.
(c) Look for loose nuts on receptacle studs. The nuts should be torqued as follows:
1) Torque the nuts from the receptacle studs A, B, C, and N to 122.5 ±2.5 in-lb
(13.84 ±0.28 N·m).
2) Torque the nuts from the receptacle studs E and F to 21 ±1 in-lb (2.37 ±0.12 N·m).
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-41-11
Page 602
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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