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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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04/08/21

Message Overview:

Message Name:

CLIENT CONNECTION LOST

Message Code:

B3-478796

Associated CAS:

None

Reporting LRU: FSU 2 CHARTS
System Description: 46-00-00
Schematic Diagram: 46-21-00
Wiring Diagram: 46-21-03

Message Description:

File Server Unit (FSU) 2 has reported a communication fault between the Multi-Function Display (MFD) and the Charts application within the File Server Unit (FSU) Software Application (FSA). Reset power to the FSU 2.

Possible Causes:

  • Multi-Function Display 2 (MFD) (A28)
  • File Server Unit 2 (FSU) (A222)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Adaptive Flight-Display Unit AMM 31-61-01-000-801
Installation of the Adaptive Flight-Display Unit AMM 31-61-01-400-801
Removal of the File Server Unit (FSU) AMM 46-21-01-000-801
Installation of the File Server Unit (FSU) AMM 46-21-01-400-801
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02

Troubleshooting Recommendations:

  1. On Reversionary Switch Panel (RSP), set the LEFT DISPLAYS or RIGHT DISPLAYS switch to PFD REV and then back to NORM.
  2. If it does not recover, reset the FSU 2 circuit breaker CB2-D6 (R FILE SERVER).
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