TASK 23-73-00-810-937

 DIR - OBRM communication error or softw. mismatch by active Director
 1. Possible Causes
_______________
 - CIDS OBRM (116RH)

 - FAP (120RH)

 - DIR-CIDS, 1 (101RH)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-00-740-010 Interface and Power-Up Test of the Cabin
 Intercommunication Data System (CIDS) via the CFDS AMM 23-73-12-000-007 Removal of the Flight Attendant Panel (FAP) 120RH AMM 23-73-12-400-007 Installation of the Flight Attendant Panel (FAP)
 120RH AMM 23-73-21-000-001 Removal of the On Board Replaceable Module (OBRM) 116RH AMM 23-73-21-400-001 Installation of the On Board Replaceable Module
 (OBRM) 116RH AMM 23-73-34-000-001 Removal of the CIDS Director (101RH,102RH) AMM 23-73-34-400-001 Installation of the CIDS Director (101RH,102RH)
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the CIDS Interface and Power-Up Test via the CFDS (Ref. AMM TASK 23-73-00-740-010).

 4. Fault Isolation
_______________

 A. If the test gives a different maintenance message, do the trouble
 shooting procedure related to the maintenance message.

 B. If the test confirms the fault:
 - replace the CIDS OBRM (116RH) (Ref. AMM TASK 23-73-21-000-001) and (Ref. AMM TASK 23-73-21-400-001).
 (1) If the fault continues:
 - replace the FAP (120RH) (Ref. AMM TASK 23-73-12-000-007) and (Ref. AMM TASK 23-73-12-400-007).
 (a) If the fault continues:
 - replace the DIR-CIDS, 1 (101RH) (Ref. AMM TASK 23-73-34-000-001) and (Ref. AMM TASK 23-73-34-400-001).
 5. Close-up
________
 A. Do the test given in para. 3.

 TASK 23-73-00-810-938

 DIR 2/ OBRM failure
 1. Possible Causes
_______________
 - DIR-CIDS, 2 (102RH)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-00-740-010 Interface and Power-Up Test of the Cabin
 Intercommunication Data System (CIDS) via the CFDS AMM 23-73-34-000-001 Removal of the CIDS Director (101RH,102RH) AMM 23-73-34-400-001 Installation of the CIDS Director (101RH,102RH)
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the CIDS Interface and Power-Up Test via the CFDS (Ref. AMM TASK 23-73-00-740-010).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble
 shooting procedure related to the maintenance message.

 B. If the test confirms the fault:
 - replace the DIR-CIDS, 2 (102RH) (Ref. AMM TASK 23-73-34-000-001) and (Ref. AMM TASK 23-73-34-400-001).
 5. Close-up
________
 A. Do the test given in para. 3.

 TASK 23-73-00-810-939
 OBRM failure by active director
 1. Possible Causes
_______________
 - DIR-CIDS, 1 (101RH)

 - FAP (120RH)

 - CIDS OBRM (116RH)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 23-73-00-740-010 Interface and Power-Up Test of the Cabin
 Intercommunication Data System (CIDS) via the CFDS AMM 23-73-12-000-007 Removal of the Flight Attendant Panel (FAP) 120RH AMM 23-73-12-400-007 Installation of the Flight Attendant Panel (FAP)
 120RH AMM 23-73-21-000-001 Removal of the On Board Replaceable Module (OBRM) 116RH AMM 23-73-21-400-001 Installation of the On Board Replaceable Module
 (OBRM) 116RH
 AMM 23-73-34-000-001 Removal of the CIDS Director (101RH,102RH)
 AMM 23-73-34-400-001 Installation of the CIDS Director (101RH,102RH)

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the CIDS Interface and Power-Up Test via the CFDS (Ref. AMM TASK 23-73-00-740-010).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
 B. If the test confirms the fault:
　
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