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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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10/04/19

Message Overview:

Fault Message:

R ARINC CH A [INPUT] ADCS MA

Fault Code:

7327619RBR

Associated CAS:

None

Reporting LRU: Right Engine Electronic Controller (EEC)
System Description: 73-20-00
Schematic Diagram: 76-10-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 34-11-04 [ Global Express ]  [ G5000 ]  [ Global XRS ]
71-50-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Engine Electronic Controller (EEC) 2 CH A has detected a data input failure from Micro Air-Data Computer (MADC) 3.

Possible Causes:

  • Micro Air-Data Computer (MADC) 3 (A29)
  • Right Engine Electronic Controller (EEC)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Micro Air-Data Computers AMM 34-11-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Micro Air-Data Computers AMM 34-11-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Eng Electronic Controller (EEC) EMM 73-21-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Eng Electronic Controller (EEC) EMM 73-21-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Check if the CAS message ADC 3 FAIL is posted.

    1. If the CAS message exists, troubleshoot it first and continue with next step.
    2. If the CAS message does not exists, continue with next step.

  2. Perform wiring checks between MADC 3 and EEC 2 CH A.

    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. Swap MADC 3 with MADC 1.

    1. If system checks are good, replace MADC 3 and do close out.
    2. If fault remains, continue with next step.

  4. Replace Right EEC.
  5. Do close out.
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