S 715-086

 (4)  
Make sure that the HDG HOLD and V/S annunciations show on the captain's and F/O's PFD.

 S 865-406

 (5)  
Push the captain's autopilot disconnect switch on the captain's control wheel two times.

 S 865-089

 (6)  
Push the A/P ENGAGE R CMD button on the MCP.

 S 715-090

 (7)  
Make sure that the HDG HOLD and V/S annunciations show on the captain's and F/O's PFD.

 S 865-092

 (8)  
Push the F/O's autopilot disconnect switch on the F/O's control wheel two times.

 S 865-093

 (9)  
Push the A/P ENGAGE C CMD button on the MCP.

 S 715-094

 (10)
 Make sure that the HDG HOLD and V/S annunciations show on the captain's and F/O's PFD.

 S 865-096

 (11)
 Push the captain's autopilot disconnect switch on the captain's control wheel two times.

 I. Airplane to Its Initial Condition
 S 865-097
 (1)  
Remove hydraulic power if it is not necessary (AMM 29-11-00/201).

 S 865-098

 (2)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 865-292

 (3)  
Set all the mode selector switches on the IRS control panel (P5) to the OFF position if it is not necessary (AMM 34-21-00/201).

 TASK 22-10-00-745-167
 3.  Ground Test - Flight Control Computer_____________________________________
 A. General
 (1)  This test is for an internal check of the FCC function and to make sure the FCC interfaces are satisfactory for each of the FCC's installed.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 22-10-00
 ALL  ú ú 01 Page 504 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 B. References
 (1)  
AMM 22-11-01/401, Flight Control Computer

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 34-12-01/401, Air Data Computer

 (4)  
AMM 34-21-00/201, Inertial Reference System

 (5)  
AMM 34-31-01/401, ILS Receiver

 (6)  
AMM 34-33-02/401, Radio Altimeter Receiver/Transmitter

 (7)  
AMM 34-61-00/501, Flight Management Computer System

 (8)  
AMM 45-10-00/501, Central Maintenance Computer System

 C. Access
 (1)  Location Zones
 221 Control Cabin, LH
 222 Control Cabin, RH

 D. Preconditions
 S 865-445
 (1)  These conditions are necessary for this task:
 (a)  
Electrical Power On (AMM 24-22-00/201).

 (b)  
IRUs must be in the NAV mode (AMM 34-21-00/201).

 (c)  
Central Maintenance Computer (CMC), serviceable (AMM 45-10-00/501).

 (d)  
Control Display Unit (CDU), serviceable (AMM 34-61-02/401).

 (e)  
Flight Control Computer (FCC), serviceable (AMM 22-11-01/401).

 (f)  
Flight Management Computer (FMC), serviceable (AMM 34-61-00/501).

 (g)  
Flap Control Unit (FCU), serviceable (AMM 27-51-51/401).

 (h)  
Air Data Computer (ADC), serviceable (AMM 34-12-01/401).

 (i)  
Multi-Mode Receiver (MMR), servicable (AMM 34-31-01/401), or Instrument Landing System Receiver (ILS) servicable (AMM 34-31-01/401).

 (j)  
Radio Altimeter Receiver/Transmitter, serviceable (AMM 34-33-02/401).

 E. Prepare for the Test
 S 865-168
 (1)  
Supply electrical power (Ref 24-22-00/201).

 S 865-169

 (2)  
Align the Left, center and right IRUs in the NAV mode
 (AMM 34-21-00/201).

 S 865-170

 (3)  
Prepare the CDU for the test:

 (a)  
Push the MENU key on the CDU to show the MENU.

 (b)  
Push the line select key (LSK) that is adjacent to <CMC to show the CMC MENU.

 (c)  
If <RETURN shows after you push the LSK, push the LSK that is adjacent to <RETURN until you see the CMC MENU.

 (d)  
Push the LSK that is adjacent to <GROUND TESTS to show the GROUND TESTS menu.

　
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