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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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For AOG assistance contact:

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Quick Links

04/07/21

Message Overview:

Message Name:

TIME/DATE INVALID

Message Code:

B3-471503

Associated CAS:

None

Reporting LRU: FSU 2
System Description: 46-00-00
Schematic Diagram: 46-21-00
Wiring Diagram: 46-21-01

Message Description:

File Server Unit (FSU) cannot sync with current aircraft time.

Possible Causes:

  • File Server Unit 2 (FSU 2) (A222)
  • Flight Management Computer (FMC) Card Battery (A4-FMC)
  • Power
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Operational Test of the Flight Management System AMM 34-61-00-710-801
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
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. Suspect time/date may be absent or an internal FSU fault.
  2. Verify FMC card battery is still charged.
  3. Verify power to unit.
  4. Do close out.

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