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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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Quick Links

04/06/21

Message Overview:

Message Name:

NO WXT-1/2 OUTPUT TO AFD

Message Code:

B3-659081

Associated CAS:

None

Reporting LRU: WXR RTA
System Description: 34-41-00
Schematic Diagram: 34-41-00
Wiring Diagram: 34-41-01

Message Description:

WRT output to L and R AFD displays have been reported inactive by L and R side displays.

Possible Causes:

  • Weather Radar Receiver/Transmitter and Antenna (WXR RTA) (A3)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Weather Radar Receiver/Transmitter and Antenna AMM 34-41-01-000-801
Installation of the Weather Radar Receiver/Transmitter and Antenna AMM 34-41-01-400-801
Standard Practices - Replace Wiring SPM 20-12-00-02
Standard Practices - Repair Wiring SPM 20-12-10-02

Troubleshooting Recommendations:

  1. Reset WX (CB1-A8), circuit breaker.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  2. Inspect Connectors P/J102 (Nose Bulkhead) and P/J100 (Nose Pressure Bulkhead) for proper sitting and clocking. Repair as required.

    1. If system check passes, do close out.
    2. If fault remains, continue with next step.

  3. Replace WXR RTA.
  4. Do close out.

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