06/22/19
Message Overview:
Fault Message:
PITCH DISCNNCT LOCK/WRG/SPC CH B
Fault Code:
2731207STL
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: | 27-31-01 [ Global Express ] [ G5000 ] [ Global XRS ] |
Fault Description:
Stall Protection Computer (SPC) channel B reports Pitch Disconnect Solenoid failed in the locked or unlocked position.
Possible Causes:
- Pitch Disconnect Lock Solenoid
- Secondary Power Distribution Assembly (SPDA) 1 (A13)
- Stall Protection Computer (SPC) (A40)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin:
- AW700-27-0363 - No Fault Found initiative: Stall Protection Computer
Forum Articles/Infoservice/Newsletter: None
Quick Links:
| Removal of the Lock Solenoid | AMM 27-31-09-000-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Lock Solenoid | AMM 27-31-09-400-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| 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:
- Perform wiring checks between Stall Protection Computer and lock solenoid and Control panel.
- If wiring checks are not good, repair defective wiring as required and do close out.
- If wiring checks are good, continue with next step.
- Swap SPDA 1 with SPDA 4.
- If system checks are good, replace SPDA 1 and do close out.
- If fault remains, continue with next step.
- Replace lock solenoid.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Replace Stall Protection Computer (SPC).
- Do close out.