(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 Back to Its Usual Condition
S 865-372
(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).
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S 865-373
(2) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 22-10-00-745-207
11. Ground Test - Air/Ground Relay______________________________
A. General
(1) This test is for a check of the air/ground relay inputs to the FCCs.
B. References
(1)
AMM 22-11-01/401, Flight Control Computer
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 34-61-02/401, Control Display Unit
(4)
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 865-453
(1) These conditions 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)
Flight Control Computer (FCC), serviceable (AMM 22-11-01/401).
E. Prepare for the Test
S 865-208
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-209
(2)
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.
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(d)
Push the LSK that is adjacent to <GROUND TESTS to show the GROUND TESTS menu.
(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)
Push the NEXT PAGE key until you find <AIR/GROUND RELAY.
NOTE: If INHIBITED shows above <AIR/GROUND RELAY, the test
____
will not operate.
(g) If INHIBITED shows above <AIR/GROUND RELAY: 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. Air/Ground Relay Ground Test
S 745-210
(1) Push the LSK that is adjacent to <AIR/GROUND RELAY.
(a)
When the TEST PRECONDITIONS page shows, make sure each instruction on the page is completed.
(b)
Push the LSK that is adjacent to START TEST>.
(c)
Continue with the instructions shown on the CDU to complete the test.
NOTE: If <ADVANCE shows during the test, push <ADVANCE to
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