747-400 AMM 飞机维护手册 中央维护计算机系统(19)

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 test menu again.
 CAUTION: REFER TO THE APPLICABLE ADJUSTMENT/TEST PROCEDURE TO DO
_______ THE GROUND TEST. A FAILURE TO PUT THE SYSTEM IN ITS CORRECT INITIAL CONDITION CAN CAUSE DAMAGE TO THE EQUIPMENT.
 (f)  
Push the LSK that is adjacent to the applicable prompt.

 (g)  
If a TEST PRECONDITIONS display shows, make sure the instructions are completed (push the NEXT PAGE key to see subsequent instruction pages) and then push the LSK that is adjacent to START TEST>.

 NOTE: IN PROGRESS shows during the test.
____
 (h)  When IN PROGRESS goes out of view, find PASS, DONE, or FAIL> adjacent to the test prompt.
 NOTE: If a PASS indication shows, no failures occurred during
____ the test. If a DONE indication shows and the test result was not obvious from observing the test, you must use the existing faults function to look for a failure.
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 (i)  
If FAIL> shows, push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG page for the failure.

 (j)  
When the test is satisfactorily completed, push the LSK that is

 adjacent to <RETURN until the CDU shows the CMC MENU.Use the existing faults function (Fig. 14):

 (a)  
Push the NEXT PAGE key to show page 2 of the CMC MENU.

 (b)  
Push the LSK that is adjacent to <EXISTING FAULTS to show the EXISTING FAULTS menu.

 NOTE: It can be necessary to push the NEXT PAGE key to see all
____
 the systems that have existing faults.

 (c)  
Push the LSK that is adjacent to a system prompt to show the first EXISTING FAULTS MSG page for the system.

 (d)  
If the page indication shows that there is more than one page, push the NEXT PAGE key to see a different CMCS fault message, and, possibly, a FDE that is correlated to it.

 NOTE: Each time you push the NEXT PAGE key you will see a
____ different CMCS fault message in the same system. When you see the last CMCS fault message (the two numbers in the page indication are the same), push the NEXT PAGE key to see the first message again.
 (e)  If there is a FDE and the FDE has a < symbol adjacent to it, push the LSK adjacent to the FDE to see a different FDE correlated to the same CMCS fault message.
 NOTE: If you push the FDE LSK when you see the last FDE, you
____
 will see the first FDE again.

 NOTE: If there is no < symbol adjacent to the FDE, then there
____ is only one CMCS message correlated to the FDE.
 (f)  
When you have sufficient data, push the LSK that is adjacent to

 <RETURN until the CDU shows the CMC MENU.Show the fault history data for a system:

 (a)  
Push the LSK that is adjacent to <FAULT HISTORY to show a list of the systems that have data in fault history.

 NOTE: It can be necessary to push the NEXT PAGE key to see all
____
 the systems that have fault history data.

 (b)  
Push the LSK that is adjacent to a system prompt to show the FAULT HIST SUMMARY page for that system.

 (c)  
Push the NEXT PAGE key to see FAULT HIST SUMMARY pages for other CMCS fault messages related to the same system.

 (d)  
Push the LSK that is adjacent to the CMCS fault message to show the FAULT HISTORY MSG page for the first flight leg shown on the SUMMARY page.

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 (e)  Push the NEXT PAGE key to see the message page for a different flight leg.
 NOTE: Each time you push the NEXT PAGE key you will see the
____ message page for a different flight leg. The pages are in sequence from the newest to the oldest flight leg. When you see the oldest message page, push the NEXT PAGE key to see the newest message page again.
　
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