As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT WX RADAR IN AUTO MODE SHOWING GROUND CLUTTER IN ALL MODES FO'S SIDE SHOWS ACCURATE RETURNS. GROUNDED - YES. REPLACED WEATHER RADAR CONTROL PANEL PER AMM 34-43-91. PERFORMED GOOD INSTALLATION TEST PER AMM 34-43-91-400-801. PERFORMED GOOD SYSTEM TEST PER AMM 34-43-00-730-802.