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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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07/02/19

Message Overview:

Fault Message:

ANALOG OUT FLAP/ SPC/ SFCU#2

Fault Code:

2752255STD

Associated CAS:

None

Reporting LRU: Slat/Flap Control Unit (SFCU) 2
System Description: 27-52-00
Schematic Diagram: 27-50-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 27-50-08 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Flap 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:

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:

  1. Swap SFCU 2 with SFCU 1.

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

  2. Perform wiring checks between the applicable SFCU rack and SPC as follow:

    From To Result
    A95AP1-85 A40BP1-53
    A95AP1-86 A40BP1-67

    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.

  3. Replace SPC.
  4. Do close out.

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