As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR IN AUTO, WX-T DISPLAYS YELLOW ARC ALONG TOP OF DISPLAY ALONG WITH FULL RED/MAGENTA AREA 5-20 MILES IN FRONT OF AIRCRAFT WHEN NO VISIBLE WEATHER IS IN VIEW & NO TURBULENCE WAS ENCOUNTERED. ACFT GROUNDED. ACCOMPLISHED WEATHER RADAR SYSTEM BITE, IAW FIM 34-43 TASK 801. NO FAULTS FOUND. WEATHER RADAR OPS NORMAL.