background
x
loader
Troubleshooting
arrow By ATA By Message Color By Observed Faults by MDCBy Tips

Select color for CAS message that you wish to troubleshoot

(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.

This page includes :

For AOG assistance contact:

CRC Montreal (YUL)
Quick Links

03/10/21

Message Overview:

Message Name:

BLOCKING EQ - L-FMC-6

Message Code:

B3-661765

Associated CAS:

None

Reporting LRU: FMC 1
System Description: 31-45-00
Schematic Diagram: 31-45-00
Wiring Diagram: 31-45-01

Message Description:

Blocking equation because of the long timer on L-Flight Management Computer (FMC)-6. If fault clears the long timer would still display a fault as present on the L-FMC-6 eq. This blocking equation should quickly clear the NO L-FMC-6 INPUT equation regardless of the long timer.

Possible Causes:

  • Integrated Avionics Processing System (IAPS) (A4)
  • Flight Management Computer (FMC) (A4-FMC1)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 15
  2. Comp Id = A004
  3. {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:

Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02

Troubleshooting Recommendations:

  1. If fault clears the long timer would still display a fault as present on the L-FMC-6 eq. This blocking equation should quickly clear the NO L-FMC-6 INPUT equation regardless of the long timer.
Registered and/or unregistered trademarks of Bombardier Inc. or its subsidiaries. © 2015 Bombardier Inc. All rights reserved.