S 865-104

 (3)  
Make sure the FLT CONTROL HYD POWER TAIL 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).

 S 865-105

 (4)  
Make sure the FLT CONTROL HYD POWER WING 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).

 F. CMC - AFDS Interface Test
 S 745-106
 (1)  Do this task for the FCC-L, FCC-R, and FCC-C : Ground Test - Flight Control Computer.
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747-400 MAINTENANCE MANUAL
 G. Autoland Unique Test
 S 745-107
 (1)  Do this task: Ground Test - Autoland Unique.
 H. Instrument Source Select Test
 S 745-109
 (1)  Do this task: Ground Test - FCC Instrument.
 I. AFDS Warning Test
 S 865-110
 (1)  Make sure these circuit breakers are closed:
 (a)  P7 Overhead Circuit Breaker Panel
 1) 7A3, AURAL WARN L
 2) 7A4, AURAL WARN R

 S 865-111
 (2)  Open these cirucit breakers:
 (a)  P7 Overhead Circuit Breaker Panel
 1) 7D8, FLT CONT CMPTR L PWR
 2) 7D13, FLT CONT CMPTR C PWR
 3) 7D15, FLT CONT CMPTR R PWR
 4) 7E24, AUTO FLT WARN

 S 865-112
 (3)  
Set the EIU SEL switch on the EICAS select panel (P2-4) to the AUTO position.

 S 865-113

 (4)  
Push one of the two Master Warning lights on the P10 panel to cancel the warning lights if the warning lights are on.

 S 715-114

 (5)  
Make sure that the captain's and first officer's Master Warning lights are off.

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747-400 MAINTENANCE MANUAL
 S 715-115
 (6)  Push and hold the captain's autopilot disconnect switch on the captain's control wheel.
 (a)  Make sure that these occur: 1) Captain's Master Warning light is off. 2) First officer's Master Warning light is off. 3) Aural warning siren is off. 4) The AUTOPILOT DISC warning (red) is not shown on the main
 EICAS display.
 S 865-117
 (7)  
Release the captain's autopilot disconnect switch.

 S 865-116

 (8)  
Close the 7D8 FLT CONT CMPTR L PWR circuit breaker on the P7 Overhead Circuit Breaker Panel.

 S 715-118

 (9)  
Push and hold the first officer's autopilot disconnect switch on the first officer's control wheel.

 (a)  Make sure that these occur: 1) Captain's Master Warning light is on. 2) First officer's Master Warning light is on. 3) Aural warning siren is on. 4) The AUTOPILOT DISC warning (red) is shown on the main EICAS
 display.
 S 715-119
 (10) Release the first officer's autopilot disconnect switch.
 (a)  Make sure that these occur: 1) Captain's Master Warning light is off. 2) First officer's Master Warning light is off. 3) Aural warning siren is off. 4) The AUTOPILOT DISC warning (red) is not shown on the main
 EICAS display.
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747-400 MAINTENANCE MANUAL
 S 865-120
 (11) Open these circuit breakers:
 (a)  P7 Overhead Circuit Breaker Panel
 1) 7A3, AURAL WARN L
 2) 7A4, AURAL WARN R
　
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