(l)  
Make sure that the A and B sides of the test 56.11 show -0.2 to 0.2v ac.

 (m)  
Push the LSK adjacent to <CONTINUE to show the test 56.12 on the CDU display.

 (n)  
Make sure that A and B sides of the test 56.12 show -0.2 to 0.2v ac.

 (o)  
Push the LSK adjacent to <INDEX to go back to the Sensor Values Index page.

 (p)  
Push the NEXT PAGE key on the CDU keyboard.

 (q)  
Set the speed brake lever to the FLIGHT DETENT position.

 (r)  
Push the LSK adjacent to <ANALOG SIGNALS from the Sensor Values Index.

 (s)  
Push the LSK adjacent to <CONTINUE until the CDU display shows the test 56.11.

 (t)  
Make sure that the A and B sides of the test 56.11 show 5.5 to 7.0v ac.

 (u)  
Push the LSK adjacent to <CONTINUE to show the test 56.12 on the CDU display.

 (v)  
Make sure that the A and B sides of the test 56.12 show 5.5 to 7.0v ac.

 (w)  
Set the speed brake lever to the DOWN position.

 (x)  
Push the INIT/REF key on the CDU keyboard to get out of the BITE.

 S 865-136
 (3) Remove hydraulic power if it is not necessary (AMM 29-15-00/201).
 S. Master Caution Test
 S 735-134
 (1)  Do the master caution test:
 (a)  Open the A FCC DC circuit breaker on the P18-1 Circuit Breaker Panel.
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737-300/400/500MAINTENANCE MANUAL
 (b)  Make sure that the MACH TRIM FAIL light on the Pilots' Overhead
 Panel is OFF.
 (c)  Push the master caution annunciators below the MASTER CAUTION
 light.
 (d)  Make sure that these lights are ON:
 1) The MACH TRIM FAIL light on the P5.3 overhead panel
 2) The master caution FLT CONT annunciator on P7 panel
 3) The left and right MASTER CAUTION lights on the P7 panel.
 (e)  Push the left MASTER CAUTION light.
 (f)  Make sure that these lights are OFF:
 1) The MACH TRIM FAIL light on the P5.3 overhead panel
 2) The master caution FLT CONT annunciator on the P7 panel
 3) The left and right MASTER CAUTION lights on the P7 panel.
 (g)  Close the A FCC DC circuit breaker on the P18-1 Circuit Breaker
 Panel.
 (h)  Open the B FCC DC circuit breaker on the P6-2 Circuit Breaker
 Panel.
 (i)  Make sure that the MACH TRIM FAIL light stays off.
 (j)  Push the master caution annunciator.
 (k)  Make sure that these lights are ON:
 1) The MACH TRIM FAIL light on the P5.3 overhead panel
 2) The master caution FLT CONT annunciator on the P7 panel
 3) The left and right MASTER CAUTION on the P7 panel.
 (l)  Push the left MASTER CAUTION light.
 (m)  Make sure that these lights are OFF:
 1) The MACH TRIM FAIL light on the P5.3 overhead panel
 2) The master caution FLT CONT annunciator on the P7 panel
 3) The left and right MASTER CAUTION lights on the P7 panel.
 (n)  Open the A FCC DC circuit breaker on the P18-1 Circuit Breaker
 Panel.
 (o)  Make sure that these lights are ON:
 1) The MACH TRIM FAIL light on the P5.3 overhead panel
 2) The master caution FLT CONT annunciator on the P7 panel
 3) The left and right MASTER CAUTION lights on the P7 panel.
 (p)  Push the MASTER CAUTION light.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 (q)  
Make sure that the MACH TRIM FAIL light stays on.

 (r)  
Make sure that the MASTER CAUTION light and master caution annunciators are off.

 (s)  
　
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