(2)  
AMM 31-51-00/501, MAWEA

 (3)  
AMM 32-09-02/201, Air/Ground Relays

 (4)  
AMM 34-61-02/401, Control Display Unit

 (5)  
AMM 45-10-00/501, Central Maintenance Computer System

 C. Access
 (1)  Location Zones
 221 Control Cabin, LH
 222 Control Cabin, RH

 D. Preconditions
 S 865-094
 (1)  These conditions are necessary for this task:
 (a)  
Electrical power on (AMM 24-22-00/201).

 (b)  
MAWEA serviceable (AMM 31-51-00/501).

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 (c)  
Airplane must be in the ground mode (AMM 32-09-02/201).

 (d)  
CDU installed (AMM 34-61-02/401).

 (e)  
Central Maintenance Computer System (CMCS), serviceable (AMM 45-10-00/501).

 E. Prepare for the Test
 S 865-085
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 865-091

 (2)  
Make sure the engines are off.

 S 865-086

 (3)  
Prepare the CDU for the test:

 (a)  
Push the MENU key on the CDU to show the MENU.

 (b)  
Push the line select key (LSK) that is adjacent to <CMC to show the CMC MENU.

 (c)  
If <RETURN shows after you push the LSK, push the LSK that is adjacent to <RETURN until you see the CMC MENU.

 (d)  
Push the LSK that is adjacent to <GROUND TESTS to show the GROUND TESTS menu.

 (e)  
Push the NEXT PAGE key until you find <31 RECORDING.

 (f)  
Push the LSK that is adjacent to <31 RECORDING to show the GROUND TESTS menu for the recording systems.

 NOTE: If the INHIBITED indication is shown above <FLIGHT
____ RECORDER, the test will not operate.
 (g)  If INHIBITED shows above <FLIGHT RECORDER: 1) Push the LSK that is adjacent to the test prompt 2) Do the steps shown on the CDU 3) Push the LSK that is adjacent to <RETURN to show the ground
 test menu again.
 F. Flight Recorder System Ground Test
 S 745-088
 (1)  Push the LSK that is adjacent to <FLIGHT RECORDER.
 NOTE: The IN PROGRESS indication is shown during the test.
____
 (a)  When IN PROGRESS goes out of view, look for PASS or FAIL> adjacent to <FLIGHT RECORDER.
 NOTE: If a PASS indication shows, no failures occurred during
____
 the test.

 (b)  If FAIL> shows: Find the corrective action for the failure: 1) Push the LSK that is adjacent to FAIL> to see the GROUND
 TEST MSG pages for the failure.
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 2) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 3) Make a note of all CMCS messages, CMCS message numbers, and ATA numbers shown on the GROUND TEST MSG pages. 4) Go the the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
 G. Put the Airplane in Its Usual Condition
 S 865-089
 (1)  Remove the electrical power if it is not necessary
 (AMM 24-22-00/201).

 TASK 31-31-00-735-006
 4.  System Test - Flight Data Recorder System_________________________________________
 A. References
 (1)  
AMM 23-11-00/501, HF Communication systems

 (2)  
AMM 23-12-00/501, VHF Communication Systems

 (3)  
AMM 24-22-00/201, Manual Control

 (4)  
AMM 31-31-01/401, Digital Flight Data Recorder.

 (5)  
AMM 31-31-03/401, Flight Recorder Accelerometer.
　
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