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A
747-400 MAINTENANCE MANUAL
 (e)  
Push the LSK that is adjacent to <22 AUTOPILOT FLT DIR to show the GROUND TESTS menu for the autopilot flight director system.

 (f)  
If INHIBITED shows above <FCC-L, <FCC-C, on <FCC-R: 1) Push the LSK that is adjacent to the test prompt. 2) Do the steps shown on the CDU. 3) Push the LSK that is adjacent to <RETURN to show the ground

 test menu again.
 F.  Flight Control Computer Ground Test
 S 745-171
 (1)  Push the LSK that is adjacent to the applicable prompt (<FCC-L, <FCC-C, or <FCC-R).
 (a)  
When the TEST PRECONDITIONS page shows, make sure each instruction on the page is completed. (Push the NEXT PAGE key to see subsequent pages.)

 (b)  
Push the LSK that is adjacent to START TEST>.

 S 745-172
 (2)  When the test is completed, look for PASS or FAIL> adjacent to <FCC-L, <FCC-C, or <FCC-R.
 NOTE: If a PASS indication shows, no failures occurred during the
____
 test.

 (a)  If FAIL> shows: 1) Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG pages for the failure. 2) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 3) Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages.
 4)  Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
 G.  Put the Airplane in Its Usual Condition
 S 865-173
 (1)  
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).

 S 865-174

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

 TASK 22-10-00-745-293
 4.  Ground Test - Mode Control Panel
________________________________
 A.  General
 (1)  This test makes sure that the switch-lights, dials, and switches on the mode control panel operate correctly. The test also makes sure that the interfaces between the mode control panel, the flight control computers, and the flight management computers are correct.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 22-11-02/201, AFCS Mode Control Panel

 (3)  
AMM 24-22-00/201, Manual Control

 (4)  
AMM 34-61-00/501, Flight Management Computer System

 (5)  
AMM 34-61-02/401, Control Display Unit

 (6)  
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 865-446
 (1)  These coditions are necessary for this task:
 (a)  
Electrical Power On (AMM 24-22-00/201).

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

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

 (d)  
Mode Control Panel (MCP), installed (AMM 22-11-02/201).

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

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

 E. Prepare for the Test
 S 865-294
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 865-410

 (2)  
Prepare the CDU for the test:

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

 (b)  
　
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