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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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Quick Links

06/25/19

Message Overview:

Fault Message:

ADC #2/ADC #3/WRG/SPC CH B I/F

Fault Code:

2731101STL

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 B of the Stall Protection Computer (SPC) receives no ARINC labels from the Primary or Secondary Micro Air Data Computer (MADC).

Possible Causes:

  • Micro Air Data Computer (MADC) 2 (A28)
  • Micro Air Data Computer (MADC) 3 (A29)
  • Stall Protection Computer (SPC) (A40)
  • Stall Protection Computer (SPC) Channel B
  • 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 Micro Air-Data Computers AMM 34-11-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Micro Air-Data Computers AMM 34-11-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Check if any one of the following CAS messages are posted.

    1. If one of the CAS messages are posted, troubleshoot them first.
    2. If no CAS messages are posted, continue with next step.

  2. Swap MADCs.

    1. If system checks are good, replace the defective MADC and do close out.
    2. If fault remains, continue with next step.

  3. Perform wiring checks MADC 2 (A28P1) and SPC (A40BP1); and between MADC 3 (A29P1) and SPC (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 Stall Protection Computer (SPC).
  5. Do close out.

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