(2)  
AIPC 27-09-00, Fig. 51

 (3)  
SSM 27-18-01, SSM 27-68-01

 (4)  
WDM 27-09-32, WDM 27-18-11, WDM 27-68-11

 B.  
Access

 (1)  
Location Zone 115 Area between Nose Gear Wheel Well and Fuselage, LH

 C.  
Procedure

 (1)  
Install card YMLA09 in the applicable slot of the card file M7603.

 S 864-004

 (2)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6, Main Power Distribution Panel
 1) 6J21, SPLR/ALRN IND
 2) 6J20, SPLR/ALRN SENSOR

 S 424-003
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 (3)  S 864-005Do this task:  "Supply Electrical Power" (AMM 24-22-00/201).
 (4)  S 714-007Monitor the EICAS flight controls maintenance page. (a) Make sure that the 4 aileron position indications and the 2 spoiler position indications show.
 (5)  S 864-008Do this task:  "Remove Electrical Power" (AMM 24-22-00/201).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
RUDDER
COMPONENT  FIG. 102 SHT  QTY ACCESS/AREA  REFERENCE 
ACTUATOR - LOWER RUDDER POWER CONTROL PACKAGE  3  2  324DL,324DR, VERTICAL FIN  27-21-16 
ACTUATOR - RUDDER TRIM, M7878  3  1  324FL,324FR, VERTICAL FIN  27-21-10 
ACTUATOR - UPPER RUDDER POWER CONTROL PACKAGE  3  3  FIN 324HL,324HR,324UL,324UR, VERTICAL  27-21-15 
JACKSHAFT ASSEMBLY - RUDDER FORWARD QUADRANT AND  1  1  FWD PASS CABIN CEILING 27-21-06 
ASSEMBLY - RUDDER PEDAL 1  2  FLT COMPT  27-21-07 
DIGITIZER (SPD), YM5A001 CARD - RUDDER/ELEVATOR SURFACE POSITION  2 1  AFT EQUIP CTR, E8, AFT SURFACE POSITION DIGITIZER CARD FILE, M8011  27-28-02 
CARD FILE - AFT SURFACE POSITION DIGITIZER, M8011 2  1  AFT EQUIP CTR, E8  * 
CIRCUIT BREAKERS - 1  FLT COMPT, P6,P7 
LWR RUD RATIO AC PWR, C8808  1  7B14  *
LWR RUD RATIO DC PWR, C8778  1  7B16  * 
RUD/ELEV IND, C10061  1  6J24  * 
RUD/ELEV SENSOR, C383  1  6J25  * 
RUD TRIM CONT, C10194  1  7D16  * 
RUD TRIM IND, C10193  1  6J19  * 
UPR RUD RATIO AC PWR, C8774  1  7B11  * 
UPR RUD RATIO DC PWR, C8775  1  7B13  * 
CIRCUIT BREAKERS - 1  117AL, MAIN EQUIP CTR, P180 
ELEV/RUD VLV SYS 1, C648  1  180H8  * 
ELEV/RUD VLV SYS 2, C652  1  180E7  * 
ELEV/RUD VLV SYS 3, C654  1  180H23  * 
ELEV/RUD VLV SYS 4, C657  1  180E22  * 

* SEE WDM EQUIPMENT LIST
Rudder - Component Index
Figure 101 (Sheet 1)

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 ú  Oct 10/89 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
COMPONENT  102 FIG.  QTY  ACCESS/AREA  AMM REFERENCE 
SHT 
CRANK - RUDDER PEDAL ADJUSTMENT  1  2  FLT COMPT, RUDDER PEDALS  27-21-05 
INDICATOR - RUDDER TRIM, N308  1  1  FLT COMPT, P8 AILERON/RUDDER  * 
TRIM CONTROL MODULE, M7312
MECHANISM - RUDDER FEEL AND CENTERING  3  1  324FL,324FR VERTICAL FIN 27-21-11
　
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