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(WARNING)
RED MESSAGE (CAUTION)
AMBER MESSAGE (ADVISORY)
CYAN MESSAGE (STATUS)
WHITE MESSAGE Require immediate crew attention. These messages are accompanied by flashing master warning, triple chime attenson with or without voice message or dedicated tone. Require immediate crew awareness and future crew action may be required in the form of alternate system selection or performance limitation. These message are accompanied by flashing master caution and a single chime. Indicate safe or normal system operation which require crew awareness, over and above the dark cockpit philosophy. Indicate minor failures or reduction in systems capability, which require no crew action.

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06/24/19

Message Overview:

Fault Message:

SFCU #1/SFCU #2/WRG/SPC CH A I/F

Fault Code:

2730104STL

Associated CAS:

None

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:

Channel A of the Stall Protection Computer receives no ARINC labels from Slat/Flap Control Unit (SFCU) 1 or SFCU 2.

Possible Causes:

  • Slat/Flap Control Unit (SFCU) 1 (A124)
  • Slat/Flap Control Unit (SFCU) 2 (A95)
  • Stall Protection Computer (SPC) Channel A
  • Stall Protection Computer (SPC) (A40)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

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 ]
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:

  1. On the CAIMS PMAT, get access to the active faults for SFCU 1 and SFCU 2. Check if there is any internal fault for SFCU 1 or SFCU 2.

    1. If there is an internal fault for SFCU 1 or SFCU 2, replace applicable SFCU and do close out.
    2. If there is no internal fault for SFCU 1 or SFCU 2, continue with next step.

  2. On the CAIMS PMAT, get access to the active faults for SPC 1 and SPC 2. Did you record CAIMS - SFCU #1/SFCU #2/WRG/SPC CH A I/F?

    1. If NO, do close out.
    2. If YES, continue with next step.

  3. Perform wiring checks between SFCU 1 (A124AP1) and SPC Channel A (A40AP1); and between SFCU 2 (A95AP1) and SPC Channel B (A40BP1).

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  4. Replace SPC.
  5. Do close out.

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