As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WX RADAR UNRELIABLE IN ALL MODES WILL NOT PAINT GROUND CLUTTER AND WILL NOT KEEP ANY RETURN ONSCREEN FOR LONGER THAN A MOMENT. TEST MODE CHECK IS OK AND NO DIFFERENCE WITH STAB ON OR OFF AND IN DIFFERENT LEVELS OF GAIN. ON PILOT DISPLAY SHOWS PWS FAIL AND WXR FAIL. FOUND TRANSCEIVER MOUNT BLOWER ASSY NOT WORKING. REPLACED BLOWER ASSY REF MM 34 43 51, OPS NORMAL REF 34 43 00.