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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

03/19/21

Message Overview:

Message Name:

NO L-DCP-2 BUS OUTPUT

Message Code:

B3-006480

Associated CAS:

None

Reporting LRU: DCP 1
System Description: 34-00-00
Schematic Diagram: None
Wiring Diagram: None

Message Description:

L-DCP-2 bus data absent at L-MFD.

Possible Causes:

  • Display Control Panel (DCP) (PL8)
  • Adaptive Flight-Display Unit MFD1 (A29)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. LRU = DCP1 DCP1
  2. ATA Chapter = 34-25
  3. Message# = 4
  4. Comp Id = PL07
  5. {Term Definitions}

    1. MFD1-4 1X 350 NA EXCT XXXX-XXXX XXXX-XXXX XXTX-XXXX 350: 14;NO L-DCP-2 INPUT

Quick Links:

Removal of the Control Display Unit (CDU) AMM 34-61-05-000-801
Installation of the Control Display Unit (CDU) AMM 34-61-05-400-801
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. Suspect failed L-DCP-2 output, wiring, or failed L-MFD input.

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