(b)  
Remove external power if it is no longer required.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

M7443 R-FMC (E2-1) M7444 A/T SERVO MOTOR
FMC - Power Distribution/Servo Commands Figure 39
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 ú  Jun 10/89 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
FLIGHT MANAGEMENT COMPUTER SYSTEM
COMPONENT  FIG. 102 SHT  QTY  ACCESS/AREA  REFERENCE AMM 
CIRCUIT BREAKER - 1  FLT COMPT, P6 
FMCS DATA BASE, C10332  1  6L35  *
CIRCUIT BREAKER - 1  FLT COMPT, P7 
AUTO FLT WARN, C8740  1  7E24  * 
FMCS A/T SERVO EXC, C10333 1  7C25  * 
FMCS A/T SERVO L, C8854 1  7C4  * 
FMCS A/T SERVO R, C8855 1  7C26  * 
FMCS CDU C, C10329 1  7C3  * 
FMCS CDU L, C10327 1  7C24  * 
FMCS CDU R, C10328 1  7C1  * 
FMCS FMC L, C10330 1  7C23  * 
FMCS MASTER SW, C8856  1  7C5  * 
COMPUTER - (FIM 34-12-00/101) 
C AIR DATA, B166
 L AIR DATA, B163
 R AIR DATA, B164
COMPUTER - (FIM 45-10-00/101) 
CENTRAL MAINTENANCE, M7373 
COMPUTER - L FLIGHT MANAGEMENT, M7442  2  1  117AL, MAIN EQUIP CTR, E2-3  34-61-01-4 
COMPUTER - R FLIGHT MANAGEMENT, M7443  2  1  117AL, MAIN EQUIP CTR, E2-1  34-61-01-4 
INDICATOR - (FIM 31-25-00/101) 
CAPT CLOCK, N143
 F/O CLOCK, N146
LOADER - AIRBORNE DATA 1 1  FLT COMPT, P11  34-61-03-4 
MODULE - (FIM 31-61-00/101) 
CAPT SOURCE SELECT, M7991
 F/O SOURCE SELECT, M7995
MOTOR - (FIM 76-12-00/101) 
A/T SERVO, M7444
PANEL - (FIM 22-10-00/101) 
AFDS MODE CONTROL, B7080 
PANEL - (FIM 31-61-00/101)
 CAPT EFIS CONTROL, M7354 
EICAS CONTROL/FMC SWITCH, M7993
 F/O EFIS CONTROL, M7364 
RECEIVER - (FIM 34-51-00/101)
 L VOR, B621 
R VOR, B629
RECEIVER - (FIM 34-55-00/101)
 L DME, B81 
R DME, B82 
RECEIVER - (FIM 34-58-00/101)
 C MMR, B10011 
L MMR, B10009
 R MMR, B10010

* SEE THE WDM EQUIPMENT LIST
Flight Management Computer System - Component Index
Figure 101 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L33971
A
747-400 FAULT ISOLATION/MAINT MANUAL
COMPONENT  FIG. 102 SHT  QTY ACCESS/AREA  REFERENCE 
RADIOS - (REF 23-12-00, FIG. 101) 
C VHF, B18
 L HF, B1 
L VHF, B12
 R HF, B2
 R VHF, B15
RELAY - (REF 31-01-39, FIG. 101)
 AIR/GROUND, R121 
AIR/GROUND, R183
RELAY - (REF 34-12-00, FIG. 101)
 CAPT ADC SOURCE SELECT, R7384 
F/O ADC SOURCE SELECT, R7385
RELAY - FMC MASTER SWITCHING 1, R7229  2 1  117AL, MAIN EQUIP CTR, E2-2  34-61-05-4 
RELAY - FMC MASTER SWITCHING 2, R7230  2  1  117AL, MAIN EQUIP CTR, E2-2  34-61-05-4 
RELAY - FMC MASTER SWITCHING 3, R7231  2  1  117AL, MAIN EQUIP CTR, E2-2  34-61-05-4 
SWITCHES - (REF 22-31-00, FIG. 101) 
A/T DISCONNECT, S7 
A/T DISCONNECT, S9
 A/T GO AROUND L, S1
 A/T GO AROUND L, S2
　
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