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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

04/02/21

Message Overview:

Message Name:

INSTALLED

Message Code:

B3-648427

Associated CAS:

None

Reporting LRU: LEFT TDR;MLGWOW
System Description: 34-54-00
Schematic Diagram: 34-54-00
Wiring Diagram: None

Message Description:

L-TDR prerequisite.

Possible Causes:

  • Air Traffic Control Transponder 1 (ATC) (A31)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 0
  2. {Term Definitions}

    1. OPT1-91 XX 360 NA EXCT CSU WD-06 TTTX-XXXX XXXX-XXXX CSU_06:16&15&14; TSS

Quick Links:

Removal of the Air Traffic Control (ATC) Transponder AMM 34-54-01-000-801
Installation of the Air Traffic Control (ATC) Transponder AMM 34-54-01-400-801
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. L-TDR prerequisite.

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