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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:

DISC INTF MOV2 FG PANEL/SFCU#2/ WRG

Fault Code:

2752250STD

Associated CAS:

SLAT FLAP BIT
(Advisory)

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:

MOVING 2/SLATS IN MOTION discrete output from Slat Flap Control Unit (SFCU) 2 is defective.

Possible Causes:

  • Slat Flap Control Unit (SFCU) 2 (A95)
  • Guidance Control Panel (GCP) (A79)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

Forum Articles/Infoservice/Newsletter: None

The Guidance panel provides a discrete signal to the SFCU. The SFCU grounds this signal when the slat system is in motion. 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 Guidance Control Panel AMM 22-11-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Guidance Control Panel AMM 22-11-01-400-801 [ 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 and confirm that they are installed properly and securely.

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

  2. Select a different Slat Flap Control Handle position.

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

  3. Remove SFCU 2 and verify 28 VDC on connector A95AP1-15.

    1. If 28 VDC is not found, repair defective wiring as required and do close out.
    2. If 28 VDC is found, continue with next step.

  4. Perform a wiring check on interface wire that follows:

    From To Result
    A95AP1-15 A79P1-FF

    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.

  5. Replace Guidance Control Panel.
  6. Do close out.

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