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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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08/07/19

Message Overview:

Fault Message:

LGECU A/WRG/SIDEBRACE CONTROL-VALVE

Fault Code:

3230195EL

Associated CAS:

GEAR SYS FAIL
(Caution)

Reporting LRU: Landing Gear Electronic Control Unit (LG ECU)
System Description: 32-31-00
Schematic Diagram: 32-31-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 32-31-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Landing Gear Electronic Control Unit (LG ECU) has detected a failure with the Side Brace Control Valve. This fault is normally internal to the LGECU but could be external.

Possible Causes:

  • Side Brace Control Valve (L15)
  • Landing Gear Electronic Control Unit (LGECU) (A52)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Landing-Gear Electronic Control-Unit (LG ECU) AMM 32-31-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Landing-Gear Electronic Control-Unit (LG ECU) AMM 32-31-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Side Brace Control-Valve AMM 32-31-21-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Side Brace Control-Valve AMM 32-31-21-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Re-rack LGECU.

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

  2. Perform wiring checks of the Side Brace Control Valve OPEN Command wires between the LGECU connector A52BP1 and the Landing Gear Selector Valve including the ground.

    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. Measure Side Brace Control Valve Solenoid resistance (pins A and B) - between 57 and 65 Ohms at 68°F (20°C).

    1. If resistance is within range, go to step 5.
    2. If resistance is out of range, continue with next step.

  4. Replace Side Brace Control Valve.

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

  5. Replace LGECU.
  6. Do close out.

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