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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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Quick Links

07/01/19

Message Overview:

Fault Message:

SPDA1 FAILED(LEVEL C)-L MICROPR/CDU

Fault Code:

2463107SPD

Associated CAS:

ELEC SYS FAULT
(Advisory)

Reporting LRU: Secondary Power Distribution Assembly (SPDA) 1
System Description: 24-60-00
Schematic Diagram: 24-62-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 24-62-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Secondary Power Distribution Assembly (SPDA) 1 detects a communication failure between the Left Microprocessor and Electrical Management System Control and Display Unit (EMS CDU) 1.

NOTE: Clear all short circuits prior to swapping or replacing LRUs.

Possible Causes:

  • Secondary Power Distribution Assembly (SPDA) 1 (A13)
  • Electrical Management System Control and Display Unit (EMS CDU) 1 (A94)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW700-24-0252 - “ELEC SYS FAULT” and or “ELEC SYS FAIL” - Nuisance CAS Message during Power Up

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 ]
Removal of the Electrical Management System Control-and-Display Units (EMS CDU) AMM 24-70-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Electrical Management System Control-and-Display Units (EMS CDU) AMM 24-70-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Swap SPDA 1 with SPDA 2.

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

  2. Perform wiring checks between SPDA 1, and EMS CDU1.

    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. Replace EMS CDU 1.
  4. Do close out.

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