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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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Quick Links

03/25/21

Message Overview:

Message Name:

INTERNAL FAULT

Message Code:

B3-007335

Associated CAS:

None

Reporting LRU: PFD 1
System Description: 31-61-00
Schematic Diagram: 31-61-00
Wiring Diagram: 31-61-01

Message Description:

An internal fault is detected within the left PFD.

Possible Causes:

  • Adaptive Flight-Display Unit (L PFD) (A27)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Adaptive Flight-Display Unit AMM 31-61-01-000-801
Installation of the Adaptive Flight-Display Unit AMM 31-61-01-400-801
Operational Test of the Adaptive Flight-Display Unit AMM 31-61-01-710-801
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. Reset L PFD Circuit Breaker CB1-C3. Is the fault message still present?

    1. If NO, do close out.
    2. If YES, continue with next step.

  2. Replace L PFD (A27).
  3. Do close out.

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