DOC AIRBUS | TSM A320FUploading of the SEC1 or SEC2 or SEC3 Software Not Possible
TASK 27-94-00-810-905-A
Uploading of the SEC1 or SEC2 or SEC3 Software Not Possible
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 27-94-00-700-104-A ** ON A/C NOT FOR ALL
Subtask 27-94-00-810-150-C ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:28:21 UTC
Uploading of the SEC1 or SEC2 or SEC3 Software Not Possible
1. Possible Causes
- wiring
- ROUTING BOX-DATA LOADING [102TD]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 27-94-00-610-801 | Uploading of the SEC Software |
| AWM 279430 | |
| AWM 279431 | |
| AWM 279432 | |
| AMM 27-94-34-000-001 | Removal of the SEC |
| AMM 27-94-34-400-001 | Installation of the SEC |
| AMM 31-38-34-000-001 | Removal of the Data Loading Routing Box (DLRB) |
| AMM 31-38-34-400-001 | Installation of the Data Loading Routing Box (DLRB) |
Subtask 27-94-00-700-104-A ** ON A/C NOT FOR ALL
A. Not Applicable
4. Fault IsolationSubtask 27-94-00-810-150-C ** ON A/C NOT FOR ALL
A. If the uploading of the software of the SEC1 or SEC2 or SEC3, COM part or MON part, is not possible:
(1) Do again the uploading of the software of the SEC1 or SEC2 or SEC3 with a new media disk AMM 27-94-00-610-801.
(2) If the fault continues during the uploading of the software of the SEC COM part:
(a) Do a check and repair the wiring from the SEC COM part to the data loading routing box:
1 For the SEC1:
(3) If the fault continues during the uploading of the software of the SEC MON part:
(a) Do a check and repair the wiring from the SEC MON part to the data loading routing box:
1 For the SEC1:
(4) If the fault continues during the uploading of the software of the SEC COM part or of the SEC MON part:
(a) Replace the ROUTING BOX-DATA LOADING [102TD] AMM 31-38-34-000-001 AMM 31-38-34-400-001.
(b) Do the uploading of the software of the related SEC AMM 27-94-00-610-801.
(5) If the fault continues during the uploading of the software of the SEC COM part or of the SEC MON part:
(a) Replace the related SEC AMM 27-94-34-000-001 AMM 27-94-34-400-001.
(b) Do the uploading of the replaced SEC AMM 27-94-00-610-801.
(1) Do again the uploading of the software of the SEC1 or SEC2 or SEC3 with a new media disk AMM 27-94-00-610-801.
(2) If the fault continues during the uploading of the software of the SEC COM part:
(a) Do a check and repair the wiring from the SEC COM part to the data loading routing box:
1 For the SEC1:
- Pin AB/13H to pin C/20 AWM 279430.
- Pin AB/10D to pin C/19 AWM 279431.
- Pin AB/10D to pin C/18 AWM 279432.
(3) If the fault continues during the uploading of the software of the SEC MON part:
(a) Do a check and repair the wiring from the SEC MON part to the data loading routing box:
1 For the SEC1:
- Pin AE/14D to pin C/20 AWM 279430.
- Pin AE/8J to pin C/19 AWM 279431.
- Pin AE/8J to pin C/18 AWM 279432.
(4) If the fault continues during the uploading of the software of the SEC COM part or of the SEC MON part:
(a) Replace the ROUTING BOX-DATA LOADING [102TD] AMM 31-38-34-000-001 AMM 31-38-34-400-001.
(b) Do the uploading of the software of the related SEC AMM 27-94-00-610-801.
(5) If the fault continues during the uploading of the software of the SEC COM part or of the SEC MON part:
(a) Replace the related SEC AMM 27-94-34-000-001 AMM 27-94-34-400-001.
(b) Do the uploading of the replaced SEC AMM 27-94-00-610-801.