(2)
The ADC-L ground test will start during the AIOL LO ACTUATORS test.
B.
References
(1)
24-22-00/201, Manual Control
(2)
45-10-00/201, Central Maintenance Computer System
(3)
SSM 27-11-05
(4)
WDM 27-11-21
C.
Access
(1)
Location Zone
221, 222 Control Cabin
D.
Procedure 1 (Airplanes with Two SRMs P/N 285U0015-108 or later)
NOTE:____This is a test of the aileron lockout system. This procedure is applicable for the left and right aileron lockout actuators. The aileron lockout actuators will be operated during this test. If a check of the mechanical operation of the lockout system is necessary, hydraulic power and the movement of the ailerons will be necessary. Hydraulic power and aileron movement will not be necessary to do a test of the electrical part of the system.
S 865-181
(1)
Supply electrical power (Ref 24-22-00/201).
S 865-072
(2)
If the mechanical operational test is to be done, supply hydraulic power (Ref 29-11-00/201).
S 865-073
(3)
Make sure the AIR DATA switch on the Captain's SOURCE SELECT module is in the L position.
S 865-074
WARNING: MAKE SURE THE FLAP LEVER AND THE TRAILING EDGE (TE) FLAPS ARE
_______ 20 OR LESS. IF THE TE FLAPS ARE EXTENDED TO MORE THAN 20, THEY CAN MOVE AUTOMATICALLY DURING THE TEST AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(4)
Make sure that the trailing edge (TE) flap lever is set to a position of 20 or less.
S 865-182
(5)
Set the GND TEST switch on the overhead maintenance panel, P461, to the ENABLE position.
(6)
Open and close these circuit breakers on the P7 panel:
S 845-057
NOTE: This is to make sure the left SRM controls the actuators.
____
(a)
FLT CONT ELEC 2R AC (C10265)
(b)
FLT CONT ELEC 2R DC (C10266)
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27-11-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 865-186
(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 NEXT PAGE key until you find <27 AILERON LOCKOUT.
(f)
Push the LSK that is adjacent to <27 AILERON LOCKOUT to show the GROUND TESTS menu for the aileron lockout actuators.
(g)
Find the <AIL LO ACTUATORS prompt.
NOTE: If INHIBITED shows above <AIL LO ACTUATORS, the test
____
will not operate.
(h) If INHIBITED shows above <AIL LO ACTUATORS: 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.
S 745-188
(8)
Push the LSK that is adjacent to the <AIL LO ACTUATORS prompt.
(a)
When the TEST PRECONDITIONS page shows, make sure each instruction on the page is completed. (Push the NEXT PAGE key to see the subsequent pages.)
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ RUDDER, AILERONS AND TRAILING EDGE FLAPS. THE RUDDER AND AILERONS CAN MOVE DURING THIS TEST IF HYDRAULIC POWER IS SUPPLIED. THE TRAILING EDGE FLAPS CAN ALSO MOVE AUTOMATICALLY DURING THE TEST. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(b) If you are to do the mechanical operational test, do the steps that follow: 1) Turn the captain's or the first officer's control wheel
fully clockwise. 2) Make sure the outboard ailerons move fully.
a) Use the flight controls maintenance page (on the lower EICAS) to make sure that the left outboard aileron position is between 12.5 and 17.5 degrees down.
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