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(WARNING)
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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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06/27/19

Message Overview:

Fault Message:

DAU3A 429 / SFCU#1/ WIRING

Fault Code:

2751006STD

Associated CAS:

SLAT FLAP BIT
(Advisory)

Reporting LRU: Slat/Flap Control Unit (SFCU)
System Description: 27-51-00
Schematic Diagram: 27-50-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 27-50-07 [ Global Express ]  [ G5000 ]  [ Global XRS ]
31-42-07 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

One of the conditions that follow occurs:

  • Slat/Flap Control Unit (SFCU) 1 does not receive input from the Data Acquisition Unit (DAU) 3 Channel A and Channel B.
  • The data is invalid.
    NOTE: The DAU needs to get both channel failed in order to post this fault.

Possible Causes:

  • Data Acquisition Unit (DAU) 3 (A30)
  • Slat/Flap Control Unit (SFCU) 1 (A124)

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

Forum Articles/Infoservice/Newsletter: None

This fault may be posted due to the SFCU powering up prior to the DAU 4. This fault will clear automatically when the DAU 4 powers up and provides the General purpose ARINC 429 information. 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 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 ]
Removal of the Data Acquisition Units (DAU) AMM 31-42-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Data Acquisition Units (DAU) AMM 31-42-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Perform troubleshooting to related systems if the DAU 3 is reporting a fault.
    NOTE:

    1. Other LRUs receiving the DAU 3 channel A ARINC 429 inputs are: CPC, SPC, EGPWS, ACSC 1, APU FADEC, BMC 1, and LGECU.
    2. Other LRUs receiving the DAU 3 channel B ARINC 429 inputs are: CPC, SPC, ACSC 1, APU FADEC, and BMC 1.

  2. Swap SFCU 1 with SFCU 2.

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

  3. Replace DAU 3.
  4. Do close out.

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