07/02/19
Message Overview:
Fault Message:
ANALOG OUT SLAT/ SPC/ SFCU#2
Fault Code:
2752254STD
Associated CAS:
| Reporting LRU: | Slat Flap Control Unit (SFCU) 2 |
| System Description: | 27-53-00 |
| Schematic Diagram: | 27-50-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 27-50-08 [ Global Express ] [ G5000 ] [ Global XRS ] |
Fault Description:
Slat analog output voltage from the Slat Flap Control Unit (SFCU) to the Stall Protection Computer (SPC) is out of range.
Possible Causes:
- Slat Flap Control Unit (SFCU) 2 (A95)
- Stall Protection Computer (SPC) (A40)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
This fault will be reported by the SFCU if the voltage is less then 0.5 Volts and more then 9.5 Volts. Performing a SLAT FLAP RESET on the EMS CDU may clear this fault.
NOTE: Wait at least one minute after SFCU reset to allow self test to run.
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 ] |
| Removal of the Slat/Flap Control Unit (SFCU) | AMM 27-51-05-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Slat/Flap Control Unit (SFCU) | AMM 27-51-05-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Swap SFCU 2 with SFCU 1.
- If system checks are good, replace SFCU 2 and do close out.
- If fault remains, continue with next step.
- Perform a wiring check between the applicable SFCU rack and SPC as follows:
From To Result A95AP1-9 A40BP1-54 A95AP1-8 A40BP1-68 - 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 SPC.
- Do close out.