11/10/23
Message Overview:
Message Name:
SDU STRAPPING PARITY
Message Code:
B3-007986
Associated CAS:
| Reporting LRU: | SAT 2X00 |
| System Description: | 23-15-00 - Satellite Communication (SATCOM) System |
| Schematic Diagram: | None |
| Wiring Diagram: | None |
Message Description:
The Satellite Receiver/Transmitter (SRT) is calculating an incorrect parity on its rear connector strapping.
Possible Causes:
- Satellite Communication Data Bus
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin:
- AW300-23-0419 - Satcom Data Unit (SDU-2200) Software Upgrade Available
Forum Articles/Infoservice/Newsletter: None
Fault Confirmation Procedure:
- Message# = 11
- Comp Id = A082
- Fault Logged = AIR, TAXI
- Status = FAILED/WIRING
- {Term Definitions}
- SRT1-9 XX 350 00 EXCT XXXX-XXXT XXXX-XXXX XXXX-XXXX 350: 25;SRT STRAP PARITY
Quick Links:
| Wiring - Maintenance Practices - ALL | SPM 20-12-00-02 |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 |
| Electrical Connectors - Maintenance Practice - ALL | SPM 20-20-00-02 |
Troubleshooting Recommendations:
- The SRT is calculating an incorrect parity on its rear connector strapping. Also suspect as a possible cause of the failure a failed SATCOM data bus or wiring.
- Do close out.