STANDBY
POWER
OFF
ANY BDU MODE
ANY BDU MODE
NO KEY
PRESSED AND
IBIT NOT IN
PROGRESS
>300 SEC
MAIN MENU
EXISTING
FAULT
FAULT
HISTORY
GROUND
TEST
OTHER
FUNCTION
FAULT
DETAIL
SHOP
DETAIL
FLIGHT
LEG
FAULT
FLIGHT LEG
FAULT
DETAIL
FLIGHT LEG
SHOP
DETAILS
FLIGHT LEG
LRU
CONFIG
TEST
IN
PROGRESS
TEST
RESULT
TEST
FAULT
DETAILS
TEST
SHOP
DETAILS
DISPLAY
TEST
TEST
POSSIBLE
CAUSES
SYS
CONFIG
I/O
MONITOR
ANALOG
INPUTS
DISCRETE
INPUTS
FLIGHT LEG
POSSIBLE
CAUSES
POSSIBLE
CAUSES
VALVE
DRIVERS
COLD START
1500583 S0000273105_V3
BDU Structure Map
Figure 201/47-31-02-990-807
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-31-02
Page 205
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577, 581, 583, 585, 588-590,
592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838, 971, 980-999;
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405,
406, 409, 410, 412, 416, 424, 425, 427-429, 451, 501-504, 507, 508, 512-514, 516, 518,
524, 531-533, 535-537, 541, 542, 552-556, 560-562, 567, 571-575, 671, 672, 686, 703,
707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-970, 972, 973 POST SB 737-47-1003