(b) If the circuit breaker is open:
 - close it.
 1_ If it opens again:
 - replace the C/B-COM/CVR/CTL (4RK).
 2_ If it opens again:
 - do a check for a short to ground and repair the wiring
 located downstream of the circuit breaker (4RK) (Ref. ASM

 23-71/01).
 C. Do te test given in Para. 3.

 ANTI HIJACK CAMERA MONITORING - FAULT ISOLATION PROCEDURES
__________________________________________________________
 TASK 23-72-00-810-801
 Camera 1 Failure
 1. Possible Causes
_______________
 - CAMERA-COCKPIT DOOR (12RA)

 - MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 23-72-00-740-001 BITE Test of the Anti-Hijack Camera-Monitoring-System AMM 23-72-22-000-001 Removal of the Monitor (10RA) AMM 23-72-22-400-001 Installation of the Monitor (10RA) AMM 23-72-51-000-001 Removal of the Anti-Hijack-System Cameras AMM 23-72-51-400-001 Installation of the Anti-Hijack-System Cameras ASM 23-72/01
 3. Fault Confirmation
__________________
 **ON A/C 216-216,
 Post SB 23-1208 For A/C 216-216,
 A. Test
 (1) Do the BITE test of the Cockpit Door Surveillance System (CDSS) (Ref. AMM TASK 23-72-00-740-001).
 **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 message "Camera 1 No Power/IR Fail" shows on the LCD monitor, camera 1 images do not show (cameras 2 and 3 images show), and the green LED flashes:
 - replace the CAMERA-COCKPIT DOOR (12RA), (Ref. AMM TASK 23-72-51-000-001) and (Ref. AMM TASK 23-72-51-400-001).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 216-216, ∞∞23-72-00∞∞∞∞∞∞∞∞∞∞Page 201
 May 01/03 CES

 (1) If the fault continues:

 - 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).

 (2) 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), (Ref. ASM 23-72/01).
 B. If the message "Camera 1 No Video Power & Camera 1 No Power/IR Fail" shows on the LCD monitor, camera 1 images do not show (cameras 2 and 3 images show), and the green LED flashes:
 - replace the CAMERA-COCKPIT DOOR (12RA), (Ref. AMM TASK 23-72-51-000-001) and (Ref. AMM TASK 23-72-51-400-001).
 (1) If the fault continues:

 - 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).

 (2) 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), (Ref. ASM 23-72/01).
 C. If the message "Camera 1 No Video Power & Camera 1 No Power/IR Fail" shows on the LCD monitor, camera 1 images do not show (cameras 2 and 3 images show), and the green LED flashes:
 - replace the CAMERA-COCKPIT DOOR (12RA), (Ref. AMM TASK 23-72-51-000-001) and (Ref. AMM TASK 23-72-51-400-001).
 (1) If the fault continues:

 - 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).

 (2) 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), (Ref. ASM 23-72/01).
 D. Do the test given in Para. 3.

 **ON A/C 216-216,
 TASK 23-72-00-810-802 Camera 1 Failure
 1. Possible Causes
_______________
 - CAMERA-COCKPIT DOOR (12RA)

 - MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-72-00-710-001 Operational Test of the Anti-Hijack
　
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