DOC AIRBUS | TSM A320FNo AC Ident
TASK 31-33-00-810-807-A
No AC Ident
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 31-33-00-710-056-A
Subtask 31-33-00-810-056-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:30:00 UTC
No AC Ident
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 31-33-00-710-010 | Procedure to Use the Aircraft Coding Plug 197VC-A |
| AMM 31-33-00-710-013 | Flight Data Interface and Management Unit (FDIMU) DFDRS Software Load Procedure |
| AMM 31-33-34-000-001 | Removal of the Flight Data Interface Unit (FDIU) |
| AMM 31-33-34-400-001 | Installation of the Flight Data Interface Unit (FDIU) |
| AWM 313403 | |
| AMM 31-36-34-000-002 | Removal of the FDIU/DMU (FDIMU) |
| AMM 31-36-34-400-002 | Installation of the FDIU/DMU (FDIMU) |
| AWM 313719 |
Subtask 31-33-00-710-056-A
A. Get a printout of the last leg report. Make sure that the correct aircraft identification shows at the top of the printout.
4. Fault IsolationSubtask 31-33-00-810-056-A ** ON A/C NOT FOR ALL
A. If the aircraft identification is not correct or not shown:
Subtask 31-33-00-810-056-B ** ON A/C NOT FOR ALL CAUTION:
MAKE SURE THAT THE PIN PROGRAMMING OF THE CODING PANEL IS CORRECT. INCORRECT PIN PROGRAMMING CAN CAUSE A MALFUNCTION OF THE DIGITAL FLIGHT DATA RECORDER TO OCCUR.
(1) Do a check and, if necessary, adjust the Pin Program for pins PP/NN/MM and FF/GG/HH/JJ/KK/LL of Coding Plug 197VC-A AWM 313403. - Make sure that the coding plug connector is in a correct condition.
- Do a check and, if necessary, repair the wiring between Coding Plug 197VC-A connector and the FDIU (2TU) AWM 313403.
- Replace the FDIU [2TU] , AMM 31-33-34-000-001 AMM 31-33-34-400-001.
A. If the aircraft identification is not correct or not shown:
Subtask 31-33-00-810-056-C ** ON A/C NOT FOR ALL CAUTION:
MAKE SURE THAT THE PIN PROGRAMMING OF THE CODING PANEL IS CORRECT. INCORRECT PIN PROGRAMMING CAN CAUSE A MALFUNCTION OF THE DIGITAL FLIGHT DATA RECORDER TO OCCUR.
(1) Do a check and, if necessary, adjust the Pin Program for pins PP/NN/MM and FF/GG/HH/JJ/KK/LL of Coding Plug 197VC-A AWM 313403. - Make sure that the coding plug connector is in a correct condition.
- Do a check and, if necessary, repair the wiring between Coding Plug 197VC-A connector and the FDIMU (10TV) AWM 313403.
- Replace the DMU/FDIU (FDIMU) [10TV] , AMM 31-36-34-000-002 AMM 31-36-34-400-002.
A. If the aircraft identification is not correct or not shown:
Subtask 31-33-00-710-063-A CAUTION:
MAKE SURE THAT THE PIN PROGRAMMING OF THE CODING PANEL IS CORRECT. INCORRECT PIN PROGRAMMING CAN CAUSE A MALFUNCTION OF THE DIGITAL FLIGHT DATA RECORDER TO OCCUR.
(1) Do a check and, if necessary, adjust the Pin Program for pins PP/NN/MM and FF/GG/HH/JJ/KK/LL of Coding Plug 197VC-A AWM 313403 AMM 31-33-00-710-010. - Make sure that the coding plug connector is in the correct condition.
- Do a check and, if necessary, repair the wiring between Coding Plug 197VC-A connector and the FDIMU (10TV) AWM 313403 AWM 313719.
- Reload the software of the FDIU, part of the FDIMU (10TV) AMM 31-33-00-710-013.
- Replace the DMU/FDIU (FDIMU) [10TV] , AMM 31-36-34-000-002 AMM 31-36-34-400-002.
B. Get a printout of the last leg report again. The correct aircraft identification shows at the top of the printout
(no maintenance message is displayed).
(no maintenance message is displayed).