(a)  
P6, Main Power Distribution Panel 1) 6C28, ALT LG EXT NOSE 2) 6C29, ALT LG EXT WING L 3) 6C30, ALT LG EXT WING R 4) 6C31, ALT LG EXT BODY L 5) 6C32, ALT LG EXT BODY R 6) 6E23, F/O PNL LT 7) 6L19, TE FLAP ELEC CONT OTBD 8) 6L20, TE FLAP ELEC CONT INBD 9) 6L21, LE FLAP ELEC CONT GRP B DRIVE 1 10) 6L22, LE FLAP ELEC CONT GRP A DRIVE 2

 (b)  
P7, Overhead Circuit Breaker Panel 1) 7C10, FLT CONT ELEC 2L AC 2) 7C11, FLT CONT ELEC 2L DC 3) 7C12, FLT CONT ELEC 1L AC 4) 7C13, FLT CONT ELEC 1L DC 5) 7C14, FLT CONT ELEC 1R AC 6) 7C15, FLT CONT ELEC 1R DC 7) 7C16, FLT CONT ELEC 2R AC 8) 7C17, FLT CONT ELEC 2R DC 9) 7F22, LANDING GEAR DSP & CONT PRI 10) 7F23, LANDING GEAR DSP & CONT ALTN 11) 7F24, LANDING GEAR LEVER LOCK

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747-400 MAINTENANCE MANUAL
 (c)  P414, Main Power Distribution Panel
 1) 414A5, LE FLAP ELEC DRIVE 1
 2) 414A2 or 414M5, LE FLAP ELEC DRIVE 4
 3) 414F18 AUX HYD PUMP CONT 4

 WARNING: MAKE SURE TO OPEN THE CIRCUIT BREAKERS FOR THE
_______ CAPTAIN'S AND THE FIRST OFFICER'S SEATS BEFORE YOU DO WORK AROUND THEM. A FAILURE TO OPEN THE CIRCUIT BREAKERS CAN CAUSE THE SEATS TO MOVE ACCIDENTALLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 4) 414D08, CAPTAINS PWR SEAT
 (d)  P415, Main Power Distribution Panel
 1) 415A32, TE FLAP ELEC INBD
 2) 415B32, LE FLAP ELEC DR 3
 3) 415M38, TE FLAP ELEC OTBD
 4) 415M35, LE FLAP ELEC DR 2

 WARNING: MAKE SURE TO OPEN THE CIRCUIT BREAKERS FOR THE
_______ CAPTAIN'S AND THE FIRST OFFICER'S SEATS BEFORE YOU DO WORK AROUND THEM. A FAILURE TO OPEN THE CIRCUIT BREAKERS CAN CAUSE THE SEATS TO MOVE ACCIDENTALLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 5) 415H32, F/O PWR SEAT
 S 494-040
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASKS BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (5)  Do this task: "Installation of the Door Locks on the Doors for the Body Landing Gear" (AMM 32-00-30/201).
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 S 494-035
 (6)  
Do this task: "Installation of the Door Locks on the Doors for the Wing Landing Gear" (AMM 32-00-30/201).

 S 494-118

 (7)  
Do this task: "Installation of the Door Locks on the Doors for the Nose Landing Gear" (AMM 32-00-30/201).

 S 864-008

 (8)
Put the control handle for the landing gear in the OFF position.

 S 494-009

 (9)  
Install rigging pin LG-1 in the quadrant above the selector valve for the wing landing gear.

 NOTE: The quadrant is on the outboard side of the wheel well of the
____
 right body landing gear.

 The rigging pin must touch the structure on the two sides of the quadrant.
 S 494-010
 (10) Install rigging pin LG-2 in the quadrant above the selector valve for the nose landing gear and the body landing gear.
 NOTE: The quadrant is on the outboard side of the wheel well of the
____
 left body landing gear.

 The rigging pin must touch the structure on the two sides of the quadrant.
 E. Remove the Control Handle Module.
 S 024-011
 (1)  
Remove the control handle module (Fig. 401):

 (a)
Make sure the control handle is in the OFF position.

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