(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 if it is necessary until you find <MODE CONTL PANEL.
NOTE: If INHIBITED shows above <MODE CONTL PANEL, the test
____
will not operate.
(g) If INHIBITED shows above <MODE CONTL PANEL: 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.
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747-400 MAINTENANCE MANUAL
F. Mode Control Panel Ground Test
NOTE: Visual check is necessary during this test.
____ S 745-298
(1) Push the LSK that is adjacent to <MODE CONTL PANEL.
(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)
Make sure that the CDU shows:
~.....................
| MCP OPTION CONFIG |
.......................
| L | R |
.......................
| 3 | 3 |
2..........…..........1
(d)
Continue with the instructions shown on the CDU to complete the test.
NOTE: If <ADVANCE shows during the test, push <ADVANCE to
____ continue after you complete or read the instructions.
G. Put the Airplane in Its Usual Condition
S 865-414
(1) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 22-10-00-745-374
5. Ground Test - Aileron Servo
___________________________
A. General
(1) This test is for a check of the aileron servo. It makes sure that the servo and surface position feedback are correct. During this test, the aileron servos move the aileron surface in the two directions.
B. References
(1)
AMM 22-11-01/401, Flight Control Computer
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
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MAINTENANCE MANUAL
(4)
AMM 34-61-02/401, Control Display Unit
(5)
AMM 45-10-00/501, Central Maintenance Computer
C. Access
(1) Location Zones
221 Control Cabin, LH
222 Control Cabin, RH
D. Preconditions
S 865-447
(1) These conditions are necessary for this task:
(a)
Electrical Power On (AMM 24-22-00/201).
(b)
Central Maintenance Computer (CMC), serviceable (AMM 45-10-00/501).
(c)
Hydraulic Pressure Supplied (AMM 29-11-00/201).
(d)
Control Display Unit (CDU), serviceable (AMM 34-61-02/401).
(e)
Flight Control Computer (FCC), serviceable (AMM 22-11-01/401).
E. Prepare for the Test
S 865-375
(1) Supply electrical power (AMM 24-22-00/201).
S 865-376
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
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