ACARS System - Ground Report R Figure 015
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R  -----------------------------------------------------------------------------
R  I INDICATOR  I  FUNCTION  I 
R  I---------------------------------------------------------------------------I 
R  I CONTROL FAIL  I Failure is indicated if the ACARS MU does not  I 
R  I  I receive valid ARINC 429 serial words from the  I 
R  I  I control unit.  I 
R  I---------------------------------------------------------------------------I 
R  I LRU FAIL  I Indicates internal failure of the ACARS MU  I 
R  I---------------------------------------------------------------------------I 
R  I PASS  I Indicates internal status of the ACARS MU. The  I 
R  I  I indicator is energized if the test is successful  I 
R  -----------------------------------------------------------------------------

______________________________________________________________ MAINTENANCE PRACTICES
_____________________
 TASK 23-24-00-860-001
 Check of the Airline ID and Aircraft Registration Number on the ACARS MU after
 a Change of the Aircraft Registration Number
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power R 31-33-00-710-010 Procedure to Use the Aircraft Coding Plug 197VC-A
 3. Job Set-up
__________
 Subtask 23-24-00-860-076

 A. Aircraft Maintenance Configuration
 (1) Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 23-24-00-865-067
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION  IDENT. LOCATION
 -------------------------------------------------------------------------------
49VU AUTO FLT/MCDU/1 11CA1 B01 121VU COM NAV/ACARS/MU 2RB L06 121VU AUTO FLT/MCDU/2 11CA2 N20
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 4. Procedure
_________
 Subtask 23-24-00-860-077
 A. Procedure to change the airline identification (ID) for the Honeywell ACARS. To change the airline ID on the Honeywell ACARS MU:
 -Get a new database from Honeywell, or
 -Make the changes directly in the database if you have the
 reconfiguration tool.

 Subtask 23-24-00-860-079
 B. Procedure to do a check of the airline ID and the aircraft registration number for the COLLINS ACARS
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU:
-Push the line key adjacent to the ACARS indication.
 2.
 Push the line key adjacent to the MAINT MENU indication.

 3.
 Push the line key adjacent to the SYS STATUS indication.

4.
 Make sure that the airline two-letter code (below ID) and the aircraft registration number (below REG NO) are correct.

 5.
 If the airline ID is incorrect, then get the change procedure from Collins.

 6.
 If the aircraft registration number is incorrect, use the procedure to change the aircraft registration number on the FDIU (Ref. TASK 31-33-00-710-010).

On the MCDU:
-
The ACARS MENU page comes into view.

-
The MAINT MENU page comes into view.

-
The SYSTEM STATUS page comes intoview.

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 C. Procedure to do a check of the airline ID and the aircraft registration number for the TELEDYNE ACARS
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
　
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