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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:

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Quick Links

04/05/21

Message Overview:

Message Name:

TA 2 DISPLAY INVALID

Message Code:

B3-650506

Associated CAS:

None

Reporting LRU: TSS-4100
System Description: 34-43-00
34-54-00
Schematic Diagram: 34-43-00
34-54-00
Wiring Diagram: 34-43-01

Message Description:

TA (Traffic Advisory) display invalid on TSS Channel 2.

Possible Causes:

  • Traffic Alert and Collision-Avoidance System (TCAS) Transceiver (TSS-4100) (A238)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Operational Test of the Traffic Alert and Collision-Avoidance System (TCAS) AMM 34-43-00-710-801
Removal of the Traffic/Collision Avoidance System (TCAS) and Traffic Surveillance System (TSS) Transponder Unit AMM 34-43-03-000-801
Installation of the Traffic/Collision Avoidance System (TCAS) and Traffic Surveillance System (TSS) Transponder Unit AMM 34-43-03-400-801
Functional Test of the Traffic Surveillance System (TSS) AMM 34-54-01-720-804
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. Reset TCAS/XPDR1 (CB1-A5) circuit breaker.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  2. Confirm presence of grounds at pins A10 & B10 of connector A238EP1.
    Repair/replace as required.

    1. If system check passes, do close out.
    2. If fault remains, continue with next step.

  3. Replace TCAS/XPDR1 Unit.

    1. If system check passes, do close out.
    2. If fault remains, continue with next step.

  4. Do close out.

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