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737-300/400/500MAINTENANCE MANUAL
 (k)  
Make sure that the ADI command bar gradient is correct for the type and number of the ADI's installed.

 (l)  
Do the ADI part numbers check:

 1)  Make sure that the two ADIs have the same type and part numbers.
 NOTE: If the ADI part numbers are not the same, refer to
____ the engineering department. Make sure that they use the correct FCC pin for the ADIs which are installed on the airplane.
 (m)  
Close the AFCS B FCC DC circuit breaker on the P6-2 Circuit Breaker Panel.

 (n)  
Open the AFCS A FCC DC circuit breaker on the P18-1 Circuit Breaker Panel.

 (o)  
Do the steps (b) thru (l) for the channel B.

 (p)  
Close the AFCS A FCC DC circuit breaker on the P18-1 Circuit Breaker Panel.

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

 G.  BITE Ground Functional Test
 S 745-022
 (1)  Do the quick test:
 (a)  
Push the INIT/REF key on the CDU keyboard to show the POS INIT page or PERF INIT page.

 (b)  
Push the LSK adjacent to the <INDEX to show the INIT REF INDEX 1/1 page.

 (c)  
Push the LSK adjacent to MAINT> to show the MAINT BITE INDEX 1/1 page.

 (d)  
Push the LSK adjacent to <DFCS to show the DFCS BITE TEST LINE MAINT 1/2 page.

 (e)  
Push the NEXT PAGE key on the CDU to show the DFCS BITE TEST OVERNIGHT MAINT 2/2 page.

 (f)  
Push the LSK adjacent to <GROUND FUNCTIONAL.

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A 737-300/400/500MAINTENANCE MANUAL
 NOTE:____ The CDU display will show TEST IN PROGRESS during a 13-second cross-channel test.
 (g) (h) (i) (j) (k) (l) (m)  Follow the CDU instructions until the CHANNEL SELECTION page is shown on the CDU.Push the LSK adjacent to <CHANNEL A AND B.Push the LSK adjacent to <COMPLETE TESTS. 1) Push the LSK 6R.Do the preparation steps as shown on the CDU.Push the LSK adjacent to <CONTINUE to start the quick test.During this test, follow the instructions and push the LSK adjacent to <CONTINUE as shown on the CDU.Make sure that the quick test is completed with no failure.
 NOTE:____ If a failure occurs, the test will stop and the TEST FAILED indication will show on the CDU display.
 QUICK TEST__________  GROUP NO./LIBRARY TEST NO.___________________________
 DISCRETE INP IRU VOR/ILS DADC ATC DME ALPHA VANE LRRA ADI MASI LNAV AFDS FMA MCP N1 POT FMC  60.7060.0160.0260.0360.0460.0560.0660.0760.0860.0960.1160.1360.1660.1760.18

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737-300/400/500MAINTENANCE MANUAL
 FMA AUTO BITE 60.20 M AUTO BITE 60.21 *[1] MCP DISPLAY 60.57
 *[1] If library test 21 (Miscellaneous Test) fails, put code 100 into the CDU scratchpad then push LSK adjacent to RERUN>. If subtest 21.Q.112 on the FCC-B fails, the LRU fault should be PCWS XDUCER-CAPT instead of PCWS XDUCER-F/O. If subtest
 21.Q.115 fails on the FCC-B side, the LRU fault should be PCWS XDUCER-F/O instead of PCWS XDUCER-F/O.
 (n)  If a failure occurs, do these steps:
 1)  From the CDU display, make a note of the test name, the channel, and the LRU that caused the failure.
 NOTE: Before you replace a defective component, do the
____ BITE on the system (if it is applicable) and on other FMS interface subsystems with the defective components.
　
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