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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

03/31/21

Message Overview:

Message Name:

ACAS SYSTEM SUMMARY FAIL

Message Code:

B3-539739

Associated CAS:

None

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

Message Description:

ACAS System summary failure is indicated.

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

Fault Confirmation Procedure:

  1. Message# = 12
  2. {Term Definitions}

    1. TSS-12 XX 351 01 EXCT XXXX-XXXX XXXX-XXXX XTXX-XXXX 351: 15;ACAS SYSTEM SUMMARY FAIL

Quick Links:

Operational test of the Traffic/Collision Avoidance System (TCAS) and Traffic Surveillance System (TSS) Transponder Unit AMM 34-43-00-710-802
Standard Practices - Replace Wiring SPM 20-12-00-02
Standard Practices - Repair Wiring SPM 20-12-10-02

Troubleshooting Recommendations:

  1. ACAS System summary failure is indicated. Check for other failures.

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