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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

03/19/21

Message Overview:

Message Name:

INTERNAL FAULT

Message Code:

B3-006561

Associated CAS:

None

Reporting LRU: DME 1
System Description: 31-41-00
34-53-00
Schematic Diagram: 34-53-00
Wiring Diagram: 34-53-01

Message Description:

Internal fault to the Left DME has occurred.

Possible Causes:

  • Distance Measuring Equipment (DME) Transceiver 1 (LH) (A49)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. LRU = DME1 DME 1
  2. ATA Chapter = 34-53
  3. Message# = 2
  4. Comp Id = A049
  5. {Term Definitions}

    1. DME1-2 1X 057 01 EXCT XXXX-XXXX XXXX-XXXX XXXX-XTXX 057: 11;DME 1 INTERNAL FAULT

Quick Links:

Removal of the Distance Measuring Equipment (DME) Transceiver AMM 34-53-01-000-801
Installation of the Distance Measuring Equipment (DME) Transceiver AMM 34-53-01-400-801
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. Left DME requires replacement or troubleshooting.

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