S 865-236
(6)
Use the manual trim switches (captain's or first officer's) on the Pilots' Control Wheel to set the stabilizer to 6 units of trim.
S 865-237
(7)
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.
(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 <STAB TRIM.
NOTE: If INHIBITED shows above <STAB TRIM, the test will not
____
operate.
(g) If INHIBITED shows above <STAB TRIM 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. Stabilizer Trim Ground Test
S 745-238
(1) Push the LSK that is adjacent to <STAB TRIM.
(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>.
(c)
Continue with the instructions on the CDU to get the stabilizer position for the FCC-L.
(d)
Write down the stabilizer position for the FCC-L:
L ______ DEG.
(e)
Make sure that the stabilizer position for the FCC-L is between -10.2 and -10.9 degrees.
(f)
Push the LSK adjacent to <ADVANCE.
(g)
Push the captain's or first officer's autopilot disconnect switch two times.
(h)
Continue with the instructions on the CDU to get the stabilizer position for the FCC-R.
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22-10-00
ALL ú ú 07 Page 539 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(i)
Write down the stabilizer position for the FCC-R:
R ______ DEG.
(j)
Make sure that the stabilizer position for the FCC-R is between -10.2 and -10.9 degrees.
(k)
Push the LSK adjacent to <ADVANCE.
(l)
Push the captain's or first officer's autopilot disconnect switch two times.
(m)
Continue with the instructions shown on the CDU for a check of the FCC-C control of SRM-L and SRM-R.
(n)
Push the captain's or first officer's autopilot disconnect switch two times.
S 745-239
(2) When the test is completed, look for PASS or FAIL> adjacent to <STAB TRIM.
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 865-240
(1)
Remove hydraulic powr if it is not necessary (AMM 29-11-00/201).
S 865-241
(2)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 22-10-00-745-242
17. Ground Test - Transducer Outputs
________________________________
A. General
(1) This test is for a check of the transducer outputs. During this test, the current position sent to the FCC by each of the transducer that interfaces with the FCCs is shown on the CDU.
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