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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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04/26/21

Message Overview:

Message Name:

MULTI-FUNCTION DISPLAY DATA LOSS

Identifier: 341OBS006
Effectivity: AIRCRAFT 20501 - 20999
System: Navigation
Associated CAS: None
System Description: 34-13-00
Schematic Diagram: None
Wiring Diagram: 31-61-03

Message Description:

There have been several in-service reports of radio frequency information on the MFD & CDU turning amber and sometimes the frequency was changing. In some cases, other information on the MFD display such as flight control position and engine indication information was flickering.

Possible Causes:

  • Multi-Function Display 1 (MFD) (A29)
  • Multi-Function Display 2 (MFD) (A28)

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW300-34-0091 - Loss of Primary Communications and Intermittent Multi-Function Display Information

Forum Articles/Infoservice/Newsletter: None

RC Reversion Panel Ground Checkout Procedures

Quick Links:

None

Troubleshooting Recommendations:

  1. None

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