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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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10/01/19

Message Overview:

Fault Message:

L T30 CH A WRG/T30 PROBE RNG MA

Fault Code:

7327127LBR

Associated CAS:

None

Reporting LRU: Left Engine Electronic Controller (EEC)
System Description: 73-20-00
Schematic Diagram: None
Wiring Diagram: 71-50-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

There is an open circuit or a short circuit in the T30 Thermocouple or the interface wiring (channel A). The T30 Thermocouples are continuously monitored by the Full-Authority Digital Engine-Controller (FADEC).

Possible Causes:

  • T30 Thermocouple
  • Left Engine Electronic Controller (EEC)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Start the Engine AMM 71-00-00-866-806 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Engine Shutdown (Usual) AMM 71-00-00-866-809 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Engine Safety Precautions AMM 71-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Opening of the Cowls AMM 71-10-00-010-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Closing of the Cowls AMM 71-10-00-410-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Upper Cowls AMM 71-12-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Upper Cowls AMM 71-12-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Bypass-Duct Access Panels (451AL/461AL,
451BL/461BL, 451CL/461CL, 451DL/461DL,
451EL/461EL, 452FR/462FR, 452GR/462GR,
452HR/462HR, 452JR/462JR, 452KR/462KR)		 AMM 72-71-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Bypass-Duct Access Panels (451AL/461AL,
451BL/461BL, 451CL/461CL, 451DL/461DL,
451EL/461EL, 452FR/462FR, 452GR/462GR,
452HR/462HR, 452JR/462JR, 452KR/462KR)		 AMM 72-71-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Deactivation of the Thrust Reverser (for Maintenance) AMM 78-30-00-040-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Activation of the Thrust Reverser (for Maintenance) AMM 78-30-00-440-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Combustion Section Fairings EMM 72-03-02-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Combustion Section Fairings EMM 72-03-02-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Eng Electronic Controller (EEC)
Mod 73-101559		 EMM 73-21-01-000-801-B00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Eng Electronic Controller (EEC)
Mod 73-101559		 EMM 73-21-01-400-801-B001 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the T30 Thermocouples EMM 73-21-07-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the T30 Thermocouples EMM 73-21-07-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

CAUTION: DO NOT DO ELECTRICAL CHECKS INTO THE ENGINE ELECTRONIC CONTROLLER (EEC). IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE EEC CAN OCCUR.

  1. Perform a deactivation of the thrust reverser and open the cowl.
  2. Get access to the left engine inboard thermocouple.
  3. Disconnect the electrical connectors P1044 and P1030 and perform wiring checks between connectors P1044 and P1030.

    1. If wiring checks are not good, repair defective wiring as required and go to step 7.
    2. If wiring checks are good, continue with next step.

  4. Disconnect the terminals TB2108, P1030, and TB2106 and perform wiring checks between the terminals TB2108, P1030, and TB2106.

    1. If wiring checks are not good, repair defective wiring as required and go to step 7.
    2. If wiring checks are good, continue with next step.

  5. Examine the interface wiring, terminals and connectors for damage between the T30 terminal block and P1044.
    NOTE: Look specially for signs of chafing at clip locations, the condition of connector pins, and for kinks or strains in the wiring.

    1. If system checks are good, replace T30 thermocouple and go to step 7.
    2. If fault message stays active, continue with next step.

  6. Replace EEC 1.
  7. Close the cowls and activate the thrust reverser.
  8. Do close out.

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