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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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08/27/19

Message Overview:

Fault Message:

LGECU A/WRG/TCAS (NLG DNLK IND)

Fault Code:

3230170EL

Associated CAS:

None

Reporting LRU: Landing Gear Electronic Control Unit (LG ECU)
System Description: 32-31-00
Schematic Diagram: None
Wiring Diagram: None

Fault Description:

Failure is usually internal. But, external causes (incorrect load-voltage/polarity) are:

  • Damaged/defective wiring
  • Damageddefective load

Fault related to other fault message:

  • LGECU A/WRG/EGPWC (NLG DNLK IND)
  • LGECU A/WRG/NWSCU (NLG DNLK IN

Possible Causes:

  • Enhanced Ground Proximity Warning Computer (EGPWC) (A64)
  • Landing Gear Electronic Control Unit (LG ECU) (A52)
  • Traffic/Collision Avoidance System (TCAS) (A7)
  • Steering Control Unit (SCU) (A36)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

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Troubleshooting Recommendations:

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