TASK 24-21-21-400-801
3. Power Distribution Panel Installation
(Figure 401)
A. General
(1) There are two power distribution panels (PDP), P91 and P92 installed in the electronic
equipment area.
(2) It is necessary to get access to the front and the rear of the power distribution panels to
remove and install them.
(3) You get access to the front of the PDP from the electronic equipment area.
(4) You get access to the rear of the PDP from the forward cargo area.
B. References
Reference Title
21-27-00-700-802 Equipment Cooling Fans - Operational Test (P/B 501)
24-21-00-700-803 Operational Test for the AC Generation and Control System
(P/B 501)
24-22-00-860-812 Remove Electrical Power (P/B 201)
24-31-00-700-801 The Operational Test of the DC System (P/B 501)
28-22-00-730-801 Engine Fuel Feed Pumps - Functional Test (P/B 501)
29-11-00-700-801 Operational Test of the Hydraulic Systems A and B (P/B 501)
29-21-00-700-801 Operational Test of the Standby Hydraulic System (P/B 501)
38-42-00-800-803 Water Tank Pressurization System - Operational Test (P/B 501)
C. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
1 Power Distribution Panel 24-21-21-03-051 ILF 401, 410, 416, 541,
542, 571, 572
24-21-21-03-052 ILF 304, 308, 317-319,
323, 410, 451, 501-504,
507, 514, 515, 518, 524,
531, 533, 552
24-21-21-03-053 ILF 301, 304, 308, 310,
314, 315, 317-319, 323,
401, 402, 405, 416, 452,
501, 504, 508-510, 516,
523, 525-528, 533, 536,
541, 542, 552, 571, 572
24-21-21-03-054 ILF 410, 424, 425,
427-429, 451, 502, 503,
507, 512-515, 518-520,
524, 530-532, 571, 572,
707, 708
24-21-21-03-055 ILF 304, 308, 317-319,
323, 501, 504, 516, 533,
552, 703
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-21-21
Page 411
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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