(2)  
Access Panel
 416 Right Thrust Reverser Half - Engine 1
 426 Right Thrust Reverser Half - Engine 2
 436 Right Thrust Reverser Half - Engine 3
 446 Right Thrust Reverser Half - Engine 4

 C. Preconditions
 S 865-154-N00
 (1) These conditions are necessary for this task:
 (a)
Electrical Power on (AMM 24-22-00/201).

 (b)
Integrated Display System (IDS) serviceable (AMM 31-61-00/501).

 (c)
Service interphone system serviceable (AMM 23-41-00/501).

 (d)
Trailing edge flap system serviceable (AMM 27-51-00/201).

 (e)
Pneumatic power available (AMM 36-00-00/201).

 (f)
Nacelle anti-ice system serviceable (AMM 30-21-00/501).

 D. Prepare For The Test
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 865-016-N00
 CAUTION: BEFORE YOU DO THE TEST, DRY MOTOR THE ENGINE TO REMOVE THE FUEL
_______ THAT IS IN THE ENGINE. THE FUEL IN THE ENGINE CAN START A FIRE.
 (1)  Dry motor the engine to remove the fuel that is in the engine (AMM 71-00-00/201).
 NOTE: If you know that there is no fuel in the engine, it is
____
 not necessary to dry motor the engine.

 S 865-017-N00
 (2)  Make sure that the FUEL CONTROL switch for the applicable engine is in the CUTOFF position.
 S 285-043-N00
 WARNING: MAKE SURE THAT PEOPLE AND THE EQUIPMENT ARE NOT NEAR THE
_______ LEADING EDGE (LE) FLAPS, THE TRAILING EDGE (TE) FLAPS, OR THE FLAP MECHANISMS. WITH NO HYDRAULIC POWER, THE FLAP CONTROL LEVER CAN MOVE THE FLAPS. A MOVEMENT OF THE FLAPS CAN CAUSE INJURY TO THE PEOPLE OR DAMAGE TO THE EQUIPMENT.
 (3)  
Make sure that all of the flaps are fully retracted (AMM 27-51-00/201).

 S 865-156-N00

 (4)  
Make sure the applicable AUTOSTART switch is in the OFF position.

 S 865-019-N00

 (5)  
Make sure that the applicable engine START switch on the P5 panel is in the off position.

 (6)  
Make sure that the applicable engine START switch light is off.

 S 865-020-N00

 (7)  
Make sure that the IGNITION CON switch on the P5 panel is in the off position.

 S 865-021-N00

 (8)  
Make sure that the IGNITION STBY switch on the P5 panel is in the NORM position.

 S 865-086-N00

 (9)  
Open these circuit breakers and attach the DO-NOT-CLOSE tags:

 S 865-146-N00
 (a)  P6 Main Power Supply Panel
 1) 6K25 CONT IGN

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CAUTION:_______ MAKE SURE THAT THE "ENG START AIR CONT" CIRCUIT
 BREAKER IS OPEN.  THIS CIRCUIT BREAKER IN THE CLOSED
 POSITION, THE PNEUMATIC POWER ON, AND A ENGINE "START"
 SWITCH IN THE ON POSITION CAN CAUSE THE ENGINE TO

 ROTATE.
 2) 6J18 ENG START AIR CONT
 (b)  P414 Left Power Distribution Center 1) 414D16 ENG FUEL SW ON IND
 S 865-121-N00
 (10) For engine number 1, open these circuit breakers and attach the DO-NOT-CLOSE tags:
 (a)  P6 Main Power Supply Panel 1) 6G1 FUEL SHUTOFF VALVE ENG 1 2) 6G19 STBY IGN ENG 1 3) 6J10 NACELLE ANTI-ICE 1 4) 6L10 FUEL CONT VALVE ENG 1
 S 865-122-N00
 (11) For engine number 2, open these circuit breakers and attach the DO-NOT-CLOSE tags:
 (a)  P6 Main Power Supply Panel 1) 6G2 FUEL SHUTOFF VALVE ENG 2 2) 6G20 STBY IGN ENG 2 3) 6J11 NACELLE ANTI-ICE 2 4) 6L11 FUEL CONT VALVE ENG 2
 S 865-123-N00
 (12) For engine number 3, open these circuit breakers and attach the DO-NOT-CLOSE tags:
　
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