- replace the ND-CAPT (3WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001) (2) the maintenance message DMC3(1WT3)/WRG: DMC3 BUS DATA TO NDCAPT
- replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(a) If the fault continues:
- check the wiring between the DMC3 and the CAPT ND DU (3WT1) (Ref. ASM 31-61/00)
1 if the wiring is correct:
_
- replace the ND-CAPT (3WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001)
B. do the test given in Para. 3.
Failure of A629 BUS from the DMC's to the FO PFD DU
1. Possible Causes
_______________
- DMC-2 (1WT2)
- PFD-F/O (2WT2)
- DMC-3 (1WT3)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-720-002 Operational Test of the DMC/DU data bus AMM 31-63-22-000-001 Removal of the Display Unit (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-22-400-001 Installation of the Display Unit
(2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3) AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3) ASM 31-61/00
3. Fault Confirmation
__________________
A. Test Do the operational test of the DMC/DU Data Bus (Ref. AMM TASK 31-60-00-720-002)
4. Fault Isolation
_______________
A. If the test gives:
(1) the maintenance message DMC2(1WT2)/WRG: DMC2 BUS DATA TO PFD FO
- replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(a) If the fault continues:
- check the wiring between the DMC2 and the FO PFD DU (2WT2) (Ref. ASM 31-61/00)
1 if the wiring is correct:
_
- replace the PFD-F/O (2WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001) (2) the maintenance message DMC3(1WT3)/WRG: DMC3 BUS DATA TO PFD FO
- replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(a) If the fault continues:
- check the wiring between the DMC3 and the FO PFD DU (2WT2) (Ref. ASM 31-61/00)
1 if the wiring is correct:
_
- replace the PFD-F/O (2WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001)
B. Do the test given in Para. 3.
Failure of A629 BUS from the DMC's to the FO ND DU
1. Possible Causes
_______________
- DMC-2 (1WT2)
- ND-F/O (3WT2)
- DMC-3 (1WT3)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-720-002 Operational Test of the DMC/DU data bus AMM 31-63-22-000-001 Removal of the Display Unit (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-22-400-001 Installation of the Display Unit
(2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3) AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3) ASM 31-61/00
3. Fault Confirmation
__________________
A. Test Do the operational test of the DMC/DU Data Bus (Ref. AMM TASK 31-60-00-720-002)
4. Fault Isolation
_______________
A. If the test gives:
(1) the maintenance message DMC2(1WT2)/WRG: DMC2 BUS DATA TO ND FO
- replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(a) If the fault continues:
- check the wiring between the DMC2 and the FO ND DU (3WT2) (Ref. ASM 31-61/00)
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：A320 Trouble Shooting Manual 排故手册 指示和记录系统 3(79)
