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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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08/23/23

Message Overview:

SLAT-FLAP FAULT
(Caution)

DDG Reference: None
Pilot Action (QRH): ABNORM 8-10
System Description: 27-50-00 - Slats and Flaps System
Schematic Diagram: 27-50-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 27-50-07 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

The slats and/or flaps do not operate because of a condition that can be reset. The SLAT FAULT (Amber) message or the FLAP FAULT (Amber) message shows when the effect of the problem is on one system.

NOTE: A SLAT and/or FLAP fault message can show on the EICAS after many SFCU power-ups or SLAT FLAP reset on the EMS CDU without movement of the slats or flaps in between. In these specific cases, it is possible to reset these faults by moving the slat/flap control lever to another position.

Possible Causes:

  • Slat Flap Control Unit (SFCU)
  • A mechanical jam in the drive line (after third try to move the system)
  • Loss of power to the system
  • Overheated components
  • There is a skew trip of the flaps
  • There is a mechanical disconnect
  • There is a system overspeed condition
  • The SFCS is not rigged correctly
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW700-27-0373 - SFCU -17: "SLAT-FLAP HALFSPD" EICAS Nuisance Message

Forum Articles/Infoservice/Newsletter: None

Flight Operation Notifications Manual (FONM): None

NOTE 1: If an SFCU seems to be in a locked up state, please refer to this Troubleshooting Tip for more information and instructions to resolve the issue.

NOTE 2: To avoid the display of any Slat/Flap related CAS nuisance message after replacement of SFCU due to internal failure, follow AW 700-27-0373 instructions.

  • Execute two consecutive Slats and Flaps electrical rigging on CAIMS (All EICAS messages and CAIMS Active faults related to the Slat Flap Control System must be disregarded throughout the dual electrical CAIMS rigging process.)
  • Once the two CAIMS SFCS rigging are completed, perform a complete aircraft power shut down

Quick Links:

Removal of Slat Flap Control Unit (SFCU) AMM 27-51-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of Slat Flap Control Unit (SFCU) AMM 27-51-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Rigging of flap system AMM 27-52-00-820-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Rigging of leading edge slat system AMM 27-53-00-820-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to Stored Faults AMM 45-45-00-970-803 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair SPM 20-12-10 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Using the PMAT, access the Active Faults/Stored Faults as per AMM Tasks.
  2. Select related CAIMS message below:
  3. Do the close out.

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