(n)  
Push the LSK adjacent to <ADVANCE to complete the test.

 NOTE: An autopilot disconnect warning will occur at the end
____ of this test, which is permitted.
 (o)  Push the captain's or first officer's autopilot disconnect switch two times.
 T. Elevator Minimum Authority Test
 S 745-085
 (1) Do this check on the elevator minimum authority for the L-channel:
 (a)  
Push the LSK adjacent to <ELV SURFACE LIMIT from the GROUND TESTS MENU page on the CDU.

 (b)  
Continue with the instructions on the CDU until it shows:

 ENGAGE AUTOPILOT L C R TO CMD POSITION
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 (c) (d) (e)  Push the A/P ENGAGE L CMD button on the MCP.Push the LSK adjacent to <ADVANCE.Make sure the CDU shows:
 ENGAGE FAIL RIGHT
 ENGAGE FAIL CENTER
 (f) (g) (h)  Push the LSK adjacent to <CONTINUE on the CDU until the POSITIVE and NEGATIVE LIMIT page is shown.Push the LSK adjacent to <POSITIVE LIMIT for the positive surface limit position.Write down the value for the elevator surface position:
 _____ .
 (i) (j) (k) (l) (m)  Make sure that the value for the left channel is +8.0 degrees (minimum).Make sure that the control columns stay at the positive limit and AUTOPILOT DISC does not show on the main EICAS display.Push the LSK adjacent to <CONTINUE on the CDU to go back to the POSITIVE LIMIT and NEGATIVE LIMIT page.Push the LSK adjacent to <NEGATIVE LIMIT for the negative surface limit position.Write down the value for the elevator surface position:
 _____ .
 (n) (o) (p)  Make sure that the value for the left channel is -6.5 degrees (minimum).Make sure that the control columns stay at the negative limit and the AUTOPILOT DISC does not show on the main EICAS display.Push the LSK adjacent to <CONTINUE on the CDU to go back to the POSITIVE LIMIT and NEGATIVE LIMIT page.

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747-400 MAINTENANCE MANUAL
 (q) Push the LSK adjacent to <ADVANCE to complete the test.
 NOTE: An autopilot disconnect warning will occur at the end
____
 of this test, which is permitted.

 (r)  Push the captain's or first officer's autopilot disconnect switch two times.
 S 745-086
 (2)  Do this check on the elevator minimum authority for the R-channel:
 (a)  
Push the LSK adjacent to <ELV SURFACE LIMIT from the GROUND TESTS MENU page on the CDU.

 (b)  
Continue with the instructions on the CDU until it shows:

 ENGAGE AUTOPILOT L C R
 TO CMD POSITION

 (c)  
Push the A/P ENGAGE R CMD button on the MCP.

 (d)  
Push the LSK adjacent to <ADVANCE.

 (e)  
Make sure the CDU shows:

 ENGAGE FAIL
 LEFT

 ENGAGE FAIL
 CENTER

 (f)  Do step 1 (g) through 1 (r) again for the R-Channel.
 S 745-087
 (3)  Do this check on the elevator minimum authority for the C-channel:
 (a)  
Push the LSK adjacent to <ELV SURFACE LIMIT from the GROUND TESTS MENU page on the CDU.

 (b)  
Continue with the instructions on the CDU until it shows:

 ENGAGE AUTOPILOT L C R
 TO CMD POSITION

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