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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

04/22/21

Message Overview:

Message Name:

ENGINE START COMMAND 4

Message Code:

B3-302958

Associated CAS:

L STARTER FAIL
(Caution)

Reporting LRU: ENG CNTL PNL
System Description: 80-10-00
Schematic Diagram: None
Wiring Diagram: None

Message Description:

Left engine start command fault 4.

[MCID 1305]
Engine Start Command 4.
A fault with the cockpit engine start command was sensed.

Possible Causes:

  • Aircraft Wiring Harness
  • Wiring Harness (W1)
  • Cockpit Start Switch
  • Full Authority Digital Engine Control Unit (FADEC) Electronic Control Unit A (ECU) (A41)
  • Full Authority Digital Engine Control Unit (FADEC) Electronic Control Unit B (ECU) (A43)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Operational Test of the ENGINE Control Panel AMM 74-30-01-710-801
Removal of the ENGINE Control Panel AMM 74-30-01-000-801
Installation of the ENGINE Control Panel AMM 74-30-01-400-801
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
Standard Practices - Wire Repair SPM 20-12-10-02

Troubleshooting Recommendations:

  1. MCID 1305 fault present, troubleshoot using the following steps for aircraft and engine fault isolation with reference to the Light Engine Maintenance Manual Subtask 72-00-00-810-221-A01.

engine_start_block

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