07/01/19
Message Overview:
Fault Message:
SPDA 3 FAILED(LEVEL C)R MICROPR/WRG
Fault Code:
2463304SPD
Associated CAS:
| Reporting LRU: | Secondary Power Distribution Assembly (SPDA) 3 |
| System Description: | 24-60-00 |
| Schematic Diagram: | 24-62-01 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 24-62-03 [ Global Express ] [ G5000 ] [ Global XRS ] 24-70-04 [ Global Express ] [ G5000 ] [ Global XRS ] |
Fault Description:
The Secondary Power Distribution Assembly (SPDA) 3 detects a communication failure between the Right microprocessor and Electrical Management System Control and Display Unit (EMS CDU) 2.
Possible Causes:
- Secondary Power Distribution Assembly (SPDA) 3 (A15)
- Electrical Management System Control and Display Unit (EMS CDU) 2 (A91)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Quick Links:
| Removal of the Secondary-Power Distribution Assemblies | AMM 24-62-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Secondary-Power Distribution Assemblies | AMM 24-62-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the Electrical Management System Control-and-Display-Units (EMS CDU) |
AMM 24-70-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Electrical Management System Control-and-Display-Units (EMS CDU) |
AMM 24-70-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Swap the SPDA 3 with SPDA 4.
- If system checks are good, replace SPDA 3 and do close out.
- If fault remains, continue with next step.
- Perform wiring checks between SPDA 3 and EMS CDU 2.
- If wiring checks are not good, repair defective wiring as required and do close out.
- If wiring checks are good, continue with next step.
- Replace EMS CDU 2.
- Do close out.
