S 735-206
 (9)  Do the right FMC to right EIU check:
 (a)  Push and hold the captain's A/T disconnect switch and make sure the "AUTOTHROT DISC" indication shows on the EICAS display.
 NOTE: The captain's A/T disconnect switch is on the left
____
 throttle lever.

 (b)  Release the captain's A/T disconnect switch and make sure the "AUTOTHROT DISC" indication does not show on the EICAS display.
 S 865-207
 (10) Open this circuit breaker:
 (a)  P7 Overhead Circuit Breaker Panel
 1) 7E24 AUTO FLT WARN

 S 735-208
 (11)
 Push and hold the first officer's A/T disconnect switch and make sure the "AUTOTHROT DISC" indication does not show on the EICAS display.

 S 865-209

 (12)
 Release the first officer's A/T disconnect switch.

 S 865-210

 (13)
 Close these circuit breakers:

 (a)  P7 Overhead Circuit Breaker Panel
 1) 7C1 FMCS FMC L
 2) 7C4 FMCS A/T SERVO L
 3) 7C23 FMCS FMC R
 4) 7E24 AUTO FLT WARN
 5) 7F9 EIU L
 6) 7E10 EIU C

 M. Flight Management Computer Digital Output Check
 S 865-235
 (1)  
Show the CMCS EXISTING FAULTS page on the center CDU
 (AMM 45-10-00/201).

 S 735-212

 (2)  
Do the left FMC output check:

 (a)  
Set the FMC master switch on the P2 pilot's center instrument panel to the L position.

 (b)  
Push the NEXT PAGE function key on the center CDU and make sure the "<34 FLIGHT MANAGEMENT" prompt does not show.

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747-400 MAINTENANCE MANUAL
 S 735-213
 (3)  Do the right FMC output check:
 (a)  
Set the FMC master switch on the P2 pilot's center instrument panel to the R position.

 (b)  
Push the NEXT PAGE function key on the center CDU and make sure the "<34 FLIGHT MANAGEMENT" prompt does not show.

 N. Put the Airplane Back to Its Usual Condition
 S 865-237
 (1)  Do the "Remove Electrical Power" task (AMM 24-22-00/201).
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747-400 MAINTENANCE MANUAL
 FLIGHT MANAGEMENT COMPUTER - REMOVAL/INSTALLATION
_________________________________________________
 1.  General
_______
 A.  This procedure has these tasks for the Flight Management Computer (FMC):
 (1)  
FMC Removal

 (2)  
FMC Installation

 B.  The left and right FMCs are installed in the main equipment center. The left FMC is installed on shelf No. 3 of the E2 electronic equipment rack. The right is installed on shelf No. 1 of the E2 electronic equipment rack.
 TASK 34-61-01-004-134
 2.  Flight Management Computer Removal
__________________________________
 A.  References
 (1)  AMM 20-11-22/401, E/E Rack Mounted Components
 B.  Access
 (1)  Location Zones 118 Electrical and Electronics Compartment, RH 221 Control Cabin, LH 222 Control Cabin, RH
 C.  Procedure
 S 864-135
 (1)  Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P7 Overhead circuit breaker panel
 1) 7C1 FMCS FMC L
 2) 7C2 FMCS CDU L
 3) 7C3 FMCS CDU C
 4) 7C4 FMCS A/T SERVO L
 5) 7C23 FMCS FMC R
 6) 7C24 FMCS CDU R
 7) 7C25 FMCS A/T SERVO EXC
 8) 7C26 FMCS A/T SERVO R
 9) 7E24 AUTO FLT WARN