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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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Quick Links

10/11/19

Message Overview:

Fault Message:

L SAV CH B SUPPLY FAILURE

Fault Code:

7327315LBR

Associated CAS:

L ENG SAV FAIL
(Caution)

Reporting LRU: Full-Authority Digital Engine-Controller (FADEC)
System Description: 80-11-00
Schematic Diagram: 80-11-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 71-50-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]
80-11-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

There is an electrical fault in the power supply to channel B of the Starter Air Valve (SAV). The power supply to the SAV is monitored by the Full-Authority Digital Engine-Controller (FADEC) during engine start.

Possible Causes:

  • Left Engine Electronic Controller (EEC)
  • Full-Authority Digital Engine-Controller (FADEC) (A108)
  • Starter Air Valve (SAV)
  • Secondary Power Distribution Assembly (SPDA) 4 (A16)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Secondary-Power Distribution Assemblies AMM 24-62-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Secondary-Power Distribution Assemblies AMM 24-62-01-400-801 [ 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 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 ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Perform wiring checks between SPDA 4 and the Left EEC.

    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.

  2. Swap SPDA 4 with SPDA 2.

    1. If system checks are good, replace SPDA 4 and do close out.
    2. If fault remains, continue with next step.

  3. Replace Left EEC.
  4. Do close out.
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