• Weather Radar Fail (WXR FAIL) Message: Notes:
  • When the Weather Radar fails the amber WXR FAIL shows and all weather displays are removed from the Nav Data Display. WXR FAIL shows in all modes except PLAN.
  
  
  WXR FAIL Message Possible Causes:

  Before replacing any component perform BITE if available. (WXR R/T bite check in FWD E&E.)

  
  

  1.WXR Receiver/Transmitter

  
  

  2.WXR Control Panel

  
  

  3.WXR Antenna

  
  

  4.Wiring

  
  
  WXR FAIL Message:

  

  
  

  

  
  Circuit Breakers:

  Weather Radar R/T: P6-1 = D13.

  
  
  Applicable deferrals MEL 34-15 Weather Radar
  

Training Only