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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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CRC Montreal (YUL)
Quick Links

03/10/21

Message Overview:

Message Name:

INSTALLED

Message Code:

B3-007034

Associated CAS:

None

Reporting LRU: LDU A
System Description: 31-52-00
Schematic Diagram: 31-41-00
Wiring Diagram: 31-52-01

Message Description:

None

Possible Causes:

  • Lamp Driver Unit (LDU) (A52)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 0
  2. Comp Id = A052
  3. {Term Definitions}

    1. OPT1-66 XX 360 NA EXCT CSU WD-07 XXXX-XXXX TXXX-XXXX 16: LDU 1 STRAP

Quick Links:

Removal of the Lamp Driver Unit AMM 31-52-01-000-801
Installationof the Lamp Driver Unit AMM 31-52-01-400-801
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02

Troubleshooting Recommendations:

None

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