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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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For AOG assistance contact:

CRC Montreal (YUL)
Quick Links

04/14/21

Message Overview:

Message Name:

FADEC ECU A DATA FULL
(Service Message)

Message Code:

B3-303494

Associated CAS:

None

Reporting LRU: L ENG ECFR
System Description: 76-11-00
Schematic Diagram: None
Wiring Diagram: None

Message Description:

Left engine FADEC ECU A data storage full.

[MCID 1811]
The ECFR data storage in FADEC Channel A is at or near capacity.

Possible Causes:

  • ECFR data storage is 75 percent of capacity, or two events have been recorded

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

General Visual Inspection of the Engine Wiring Harness AMM 71-50-00-210-802
Removal of the FADEC Electrical Harness from the Left Engine AMM 71-50-05-000-802
Installation of the FADEC Electrical Harness on the Left Engine AMM 71-50-05-400-802
Removal of the Engine Electronic Control Unit (ECU) AMM 76-10-05-000-801
Installation of the Engine Electronic Control Unit (ECU) AMM 76-10-05-400-801
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02
Electrical Connectors - Maintenance Practice - ALL SPM 20-20-00-02

Troubleshooting Recommendations:

  1. MCID 1811 fault present, troubleshoot using the following steps for aircraft and engine fault isolation with reference to the Light Engine Maintenance Manual Subtask 72-00-00-810-373-A01.

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