As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADAR NOT PAINTING LONG LINE OF THUNDERSTORMS. PRESENTS A GREEN DEPICTION ON AN OTHERWISE RED/PINK WEATHER. TRIED DIFFERENT MODES, SAME PROBLEM. PERFORMED WEATHER RADAR BITE PROCEDURE IAW FIM 34-43 FT 805. SYSTEM TEST OK. COULD NOT DUPLICATE ON GROUND.