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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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09/15/20

Message Overview:

MLG BAY OVHT FAIL
(Caution)

DDG Reference: None
Pilot Action (QRH): ABNORM 7-2
System Description: 26-13-00
Schematic Diagram: 26-11-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 26-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Indicates a left and/or right MLG bay overheat detection system failure.

Possible Causes:

  • Fire Detection and Extinguishing (FIDEEX) Control Unit (CU)
  • Left MLG Sensing Element
  • Right MLG Sensing Element
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Fire Detection and Extinguishing (FIDEEX) Control Unit AMM 26-10-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Fire Detection and Extinguishing (FIDEEX) Control Unit AMM 26-10-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Eductor Sensing Elements AMM 26-12-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Eductor Sensing Elements AMM 26-12-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Hatch Sensing Elements AMM 26-12-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Hatch Sensing Elements AMM 26-12-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Strut Sensing Elements AMM 26-12-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Strut Sensing Elements AMM 26-12-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Operational Test of the Main Landing Gear (MLG) Overheat-Detection System AMM 26-13-00-710-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Functional Test of the Main Landing Gear (MLG) Overheat-Detection System AMM 26-13-00-720-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Main Landing Gear (MLG) Sensing Element AMM 26-13-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Main Landing Gear (MLG) Sensing Element AMM 26-13-01-400-801 [ 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 ]
Access to System Diagnostics AMM 45-45-00-970-804 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring - Maintenance Practices - ALL SPM 20-12-00-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Electrical Wiring - Continuity Test - Adjustment /Test - ALL SPM 20-12-01-05 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Inspection - Maintenance Practices - ALL SPM 20-12-15-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Using the PMAT, access CAIMS Active Faults. Select displayed message from menu below:

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