06/25/19
Message Overview:
Fault Message:
CDU#1/CDU#2[MANUAL]/SPC CH B
Fault Code:
2731211STL
Associated CAS:
| Reporting LRU: | Stall Protection Computer (SPC) |
| System Description: | 27-32-00 |
| Schematic Diagram: | 27-32-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 27-32-01 [ Global Express ] [ G5000 ] [ Global XRS ] |
Fault Description:
Stall Protection Computer (SPC) CH B detects advance mode selected manually from Electrical Management System Control and Display Unit (EMS CDU) 1 or Control and Display Unit (CDU) 2.
Possible Causes:
- Stall Protection Computer (SPC) (A40)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin:
- AW700-27-0363 - No Fault Found (NFF) initiative: Stall Protection Computer (SPC)
Forum Articles/Infoservice/Newsletter: None
Quick Links:
| Removal of the Stall Protection Computer | AMM 27-32-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Stall Protection Computer | AMM 27-32-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Make sure pilot and copilot did not make an advance mode selection from the EMS CDU.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Perform wiring checks between EMS CDUs, SPC and DAUs.
- 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 stall protection computer (SPC).
- Do close out.