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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

03/25/21

Message Overview:

Message Name:

NO OUTPUT

Message Code:

B3-008009

Associated CAS:

None

Reporting LRU: TDR 1
System Description: 34-54-00
Schematic Diagram: 34-54-00
Wiring Diagram: None

Message Description:

L-TDR data absent at (L-IOC, L-RIU, TTR).

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# = 1
  2. Comp Id = A031
  3. {Term Definitions}

    1. TDR1-1 1X 350 01 ABSN XXXX-XXXX XXXX-XXXX XXXX-XXXX 350: (A) NO IOC 1X IN;
    2. RIU1-21 1X 351 01 EXCT XXXX-XXXX XXXX-XXXX XTXX-XXXX 351: 15;L-TDR-1 INPUT INACTIVE
    3. TTRA-6 1X 350 00 EXCT XXXX-XXXX XXXX-XXXX TXXX-XXXX 350: 16;MODE-S L-TDR-XT INPUT

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
Standard Practices - Replace Wiring SPM 20-12-00-02
Standard Practices -Repair Wiring SPM 20-12-10-02

Troubleshooting Recommendations:

  1. Suspect failed L-TDR output or wiring.

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