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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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03/22/21

Message Overview:

Message Name:

NO L-FMC-6 BUS OUTPUT

Message Code:

B3-006766

Associated CAS:

None

Reporting LRU: FMC 1
System Description: 34-00-00
34-61-00
Schematic Diagram: 34-61-00
Wiring Diagram: 34-61-07

Message Description:

L-FMC-6 data absent at R-PFD and R-MFD.

Possible Causes:

  • Flight Management Computer 1 (A4-FMC1)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. LRU = FMC1 FMC 1
  2. ATA Chapter = 34-61
  3. Message# = 8
  4. Comp Id = A004
  5. {Term Definitions}

    1. MFD2-2 2X 350 NA EXCT XXXX-XXXX XXXX-XXXX XXXX-XTXX 350: 11;NO L-FMC-6 INPUT
    2. PFD2-2 2X 350 NA EXCT XXXX-XXXX XXXX-XXXX XXXX-XTXX 350: 11;NO L-FMC-6 INPUT

Quick Links:

Removal of the Flight Management Computer (FMC) AMM 34-61-01-000-801
Installation of the Flight Management Computer (FMC) AMM 34-61-01-400-801
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. Suspect failed Left Flight Management Computer (L-FMC) output or wiring.

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