TASK 30-11-21-400-801
3. Wing Anti-Icing Ground Overheat Thermal Switch Installation
(Figure 401)
A. General
(1) This task gives instructions to install the Wing Anti-Icing Ground Overheat Thermal Switch.
B. References
Reference Title
24-22-00-860-813 Supply External Power (P/B 201)
24-22-00-860-814 Remove External Power (P/B 201)
27-81-00-080-801 Leading Edge Flap and Slat Locks Removal (P/B 201)
C. Consumable Materials
Reference Description Specification
D00010 Compound - Thread Antiseize, High
Temperature
MIL-PRF-907
D. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
2 O-ring 30-11-21-01-010 ILF 301, 304, 308, 401,
405, 406, 409, 410, 412,
416, 424, 425, 427-429,
451, 501-504, 507-510,
512-516, 523
30-11-21-02-010 ILF 101, 151, 156-199,
310, 314, 315, 317-319,
323, 331-399, 402, 452,
491-500, 518-520,
524-528, 530-533,
535-537, 541, 542,
552-557, 559-564,
567-569, 571-577, 581,
583, 585, 588-590,
592-599, 601-603, 606,
607, 610-615, 620,
625-627, 671, 672, 686,
691-699, 703, 707-710,
804-807, 812, 821, 822,
831-838, 841, 842, 851,
852, 854-858, 861-863,
871-874, 947, 948,
968-973, 980-999
3 Thermal switch 30-11-21-01-015 ILF 301, 304, 308, 401,
405, 406, 409, 410, 412,
416, 424, 425, 427-429,
451, 501-504, 507-510,
512-516, 523
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-21
Page 404
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL