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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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03/25/21

Message Overview:

Message Name:

INTERNAL FAULT

Message Code:

B3-008021

Associated CAS:

None

Reporting LRU: TDR 2
System Description: 34-54-00
Schematic Diagram: 34-54-00
Wiring Diagram: 34-54-05

Message Description:

Internal fault to the right TDR has occurred.

Possible Causes:

  • Right Air Traffic Control (ATC) Transponder (TDR) (A30)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 2
  2. Comp Id = A030
  3. {Term Definitions}

    1. TDR2-6 2X 350 10 EXCT XXXX-XXXX FFFT-XXXX XXXX-XXXX 350: (1X);POWER SUPPLY
    2. TDR2-10 2X 350 10 EXCT XXXX-XXXX FTFT-XXXX XXXX-XXXX 350: (5X);ROM
    3. TDR2-11 2X 350 10 EXCT XXXX-XXXX FTTF-XXXX XXXX-XXXX 350: (6X);RAM
    4. TDR2-12 2X 350 10 EXCT XXXX-XXXX TFTT-FFFT XXXX-XXXX 350: (B1);TCAS UART FAIL
    5. TDR2-16 2X 350 10 EXCT XXXX-XXXX TTFF-XXXX XXXX-XXXX 350: (CX);SQUITTER FAIL
    6. TDR2-17 2X 350 10 EXCT XXXX-XXXX TTFT-XXXX XXXX-XXXX 350: (DX);DIVERSITY FAIL
    7. TDR2-18 2X 350 10 EXCT XXXX-XXXX TTTF-FFTT XXXX-XXXX 350: (E3);PROCESSOR FAIL
    8. TDR2-19 2X 350 10 EXCT XXXX-XXXX TTTF-FTFF XXXX-XXXX 350: (E4);PROCESSOR FAIL

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. Right TDR requires replacement or troubleshooting.

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