(b)  
Push the LSK adjacent to <22 AUTOPILOT FLT DIR from the GROUND TEST SYSTEMS page on the CDU.

 (c)  
Push the LSK adjacent to <XDUCER OUTPUTS from the GROUND TESTS MENU page on the CDU.

 (d)  
Continue with the instructions on the CDU to get the values for the aileron surface position.

 (e)  
Write down the values for the aileron surface position:

 L ______ , C ______ , R ______ .

 (f)  
Make sure that the difference of the values between the channels (L-R, R-C, L-C) is less than 0.6 degree.

 (g)  
Make sure that the values for the left, center, and right channels, with the control wheels released, are between -0.1 degree and +0.1 degree.

 NOTE: If the value for the center channel is not
____ between -0.1 and +0.1, refer to 22-13-01/401 for the adjustment of the LAS. If the values for the left and right channels are not between -0.1 and + 0.1, refer to 27-11-08/201 for the adjustment of the CLCPs.
 S 745-111
 (7)  Do the aileron servo test:
 (a)  
Push the LSK adjacent to <SERVO-AILERON from the GROUND TESTS MENU page on the CDU.

 (b)  
Make sure that no fault messages show.

 (c)  
Continue with the instructions shown on the CDU until this messages shows:

 ENGAGE AUTOPILOT L C R
 TO CMD POSITION.

 (d)  
Push the left autopilot CMD button on the Mode Control Panel.

 (e)  
Push the LSK adjacent to <ADVANCE.

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A 747-400 MAINTENANCE MANUAL
 (f)  Make sure that these fault messages show:
 ENGAGE FAIL RIGHT
 (g) (h)  ENGAGE FAIL CENTERContinue with the instructions shown on the CDU to complete the SERVO-AILERON test.Make sure that the SERVO-AILERON test is completed with no failure
 NOTE:____ An autopilot disconnect warning will occur at the end of this test, which is permitted.
 (i) (j) (k)  Push the LSK adjacent to <SERVO-AILERON from the GROUND TESTS MENU page on the CDU.Make sure that no fault messages show.Continue with the instructions shown on the CDU until this messages shows:
 (l) (m) (n)  ENGAGE AUTOPILOT L C R TO CMD POSITION.Push the right autopilot CMD button on the Mode Control Panel.Push the LSK adjacent to <ADVANCE.Make sure that these fault messages show:
 ENGAGE FAIL LEFT
 (o) (p)  ENGAGE FAIL CENTERContinue with the instructions shown on the CDU to complete the SERVO-AILERON test.Make sure that the SERVO-AILERON test is completed with no failure
 NOTE:____ An autopilot disconnect warning will occur at the end of this test, which is permitted.

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A
747-400
MAINTENANCE MANUAL

 (q)  
Push the LSK adjacent to <SERVO-AILERON from the GROUND TESTS MENU page on the CDU.

 (r)  
Make sure that no fault messages show.

 (s)  
Continue with the instructions shown on the CDU until this messages shows:

 ENGAGE AUTOPILOT L C R
 TO CMD POSITION.

 (t)  
Push the center autopilot CMD button on the Mode Control Panel.

 (u)  
Push the LSK adjacent to <ADVANCE.

 (v)  
Make sure that these fault messages show:

 ENGAGE FAIL LEFT
 ENGAGE FAIL RIGHT
 (w)  
Continue with the instructions shown on the CDU to complete the SERVO-AILERON test.

 (x)  
Make sure that the SERVO-AILERON test is completed with no failure

 NOTE: An autopilot disconnect warning will occur at the
____ end of this test, which is permitted.
 S 745-289
 (8)  Do this check on the aileron surface limits:
 (a)  
　
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