B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/MCDU/1 11CA1 B01 121VU CFDS/CFDIU/SPLY 2TW J18 121VU DATA/LOADER/SPLY 3TD J16 121VU DLS&/DLRB/SPLY 5TD J15 121VU AUTO FLT/MCDU/2 11CA2 N20

R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
 Post SB 31-1163 For A/C 155-156,208-209,
 121VU CFDS/CFDIU/BACK/UP 8TW J17

R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
 4. Procedure
_________
 Subtask 31-38-00-740-051

 A. Do this test:
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the overhead panel, on the Data Loading Selector:
-set the ON/OFF switch to ON.
 2. Adjust the brightness of the MCDU screen.
On the display of the Data LoadingSelector:
 -DB/N: PUSH NEXT/PREV indication is shown
 On the multipurpose disk drive unit:
 -
the MDDU READY indication is shown

-
the MCDU is on.

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 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
3. On the MCDU:
-push the MCDU MENU mode key.
4. On the MCDU:
-push the line key adjacent to the CFDS indication.
 5. On the MCDU:
-push the line key adjacent to the SYSTEM REPORT/TEST indication.
 6. On the MCDU:
-push the line key adjacent to the INST indication.
7. On the MCDU:
-push the line key adjacent to the MDDU indication.
 8. Put the TEST DISK (36003607000) into the MDDU.
NOTE : Make sure that the write
____ protection is removed from the disk.
 9. On the MCDU 1(2), on the MDDU page:
-push the line key adjacent to the TEST indication.
10. Eject the TEST DISK (36003607000) from the MDDU.
On the MCDU:
-
the MCDU MENU page comes into view.

On the MCDU:

-
the CFDS MENU page comes into view.

On the MCDU:

-
the SYSTEM REPORT/TEST page comesinto view.

On the MCDU:

-
the SYSTEM REPORT/TEST/INST pagecomes into view.

On the MCDU:

-
the MDDU TEST page comes into view.

On the MDDU:

-
the READY indication comes into view.

On the MCDU, on the MDDU TEST page:
-
The TEST IN PROGRESS 10s comes intoview.

-
The TEST OK comes into view on the MDDU TEST page.

 On the MDDU:

 -
The TEST IN PROGRESS indication comes into view.

 -After 10 secondes, the TEST COMPLETE indication comes into view.
On the MDDU:
-the MDDU READY indication is shown.
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 5. Close-up
________ Subtask 31-38-00-860-094
 A. Put the aircraft back to its initial configuration.
 (1)
 On the Data Loading Selector, set the ON/OFF switch to OFF.

 (2)
 Make sure that MDDU door is closed

 (3)
 On the MCDU, push the line key adjacent to the RETURN indication until the CFDS MENU page comes into view.

 (4)
 De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

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 SELECTOR - DATA LOADING (101TD) - REMOVAL/INSTALLATION
______________________________________________________ TASK 31-38-21-000-001 Removal of the Data Loading Selector (101TD)
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  blanking caps
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-862-002  De-energize the Aircraft Electrical Circuits Supplied from the External Power 31-38-21-991-001 Fig. 401
　
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