**ON A/C 216-216,

 4. Fault Isolation
_______________
 **ON A/C 216-216,
 Post SB 23-1208 For A/C 216-216,
 A. If the LED flashes and the message "Display/Controller Failure" shows on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA):
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 B. If the LED flashes and the message "Display/Pin Programming Fail" shows on the LCD monitor:
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 (1) If the fault continues:
 - replace the CAMERA-COCKPIT DOOR (12RA), the CAMERA-DR 1, LH (13RA) and the CAMERA-DR 1, RH (14RA), (Ref. AMM TASK 23-72-51-000-001) (Ref. AMM TASK 23-72-51-400-001).
 (a) If the fault continues:
 - do a check and if necessary repair the wiring between the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) and the CAMERA-COCKPIT DOOR (12RA), and the CAMERA-DR 1, LH (13RA) and the CAMERA-DR 1, RH (14RA), (Ref. ASM 23-72/01).
 C. If the LED flashes and the message "Pin Programming Changed" shows on the LCD monitor:
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 (1) If the fault continues:
 - replace the CAMERA-COCKPIT DOOR (12RA), the CAMERA-DR 1, LH (13RA) and the CAMERA-DR 1, RH (14RA), (Ref. AMM TASK 23-72-51-000-001) and (Ref. AMM TASK 23-72-51-400-001).
 (a) If the fault continues:
 - do a check and if necessary repair the wiring between the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) and the CAMERA-COCKPIT DOOR (12RA), and the CAMERA-DR 1, LH (13RA) and the CAMERA-DR 1, RH (14RA), (Ref. ASM 23-72/01).

 D. If the LED flashes and no message shows on the LCD monitor:
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 (1) If the fault continues:
 - replace the CAMERA-COCKPIT DOOR (12RA), the CAMERA-DR 1, LH (13RA) and the CAMERA-DR 1, RH (14RA), (Ref. AMM TASK 23-72-51-000-001) and (Ref. AMM TASK 23-72-51-400-001).
 (a) If the fault continues:
 - do a check and if necessary repair the wiring between the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) and the CAMERA-COCKPIT DOOR (12RA), and the CAMERA-DR 1, LH (13RA) and the CAMERA-DR 1, RH (14RA), (Ref. ASM 23-72/01).
 E. Do the test given in Para. 3.

R  **ON A/C 216-216, 
R  TASK 23-72-00-810-809 
R  Failure of the CDSS Fault Indication Light 
R  1. Possible Causes_______________ 
R  - DOORS/CKPT/VIDEO/SPLY (15RA) 
R  - INDICATION LIGHT (18RA) 
R  - MONITOR- COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) 
R  - wiring 
R  2. Job Set-up Information______________________ 
R  A. Referenced Information 
R  -------------------------------------------------------------------------------
R  REFERENCE DESIGNATION 
R  -------------------------------------------------------------------------------
R  AMM 23-72-00-710-001 Operational Test of the Anti-Hijack 
R  Camera-Monitoring-System 
R  AMM 23-72-22-000-001 Removal of the Monitor (10RA) 
R  AMM 23-72-22-400-001 Installation of the Monitor (10RA) 
R  3. Fault Confirmation__________________ 
R  **ON A/C 216-216, 
R  Post SB 23-1208 For A/C 216-216, 
R  A. Test 
R  (1) Do the operational test of the Cockpit Door Surveillance System 
R  (CDSS) (Ref. AMM TASK 23-72-00-710-001).

R  **ON A/C 216-216, 
R  4. Fault Isolation_______________ 
R  **ON A/C 216-216, 
R  Post SB 23-1208 For A/C 216-216, 
R  A. If the CDSS "in use" indication light (18RA) does not come on: 
R  - replace the INDICATION LIGHT (18RA). 
R  (1) If the fault continues: 
R  - replace the MONITOR- COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. 
R  AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001). 
R  (2) If the fault continues: 
R  - do a check and if necessary replace the wiring between the MONITOR-
R  COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) and the INDICATION LIGHT 
　
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