As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR SHOWING FALSE RETURNS 15-30 DEGREES RT OF COURSE. DOES IT IN BOTH AUTO AND MANUAL MODES. MORE PRONOUNCED IN AUTO MODE. ACFT GROUNDED. PERFORMED FIM 34-43, TASK 801- NO FAULTS, OPS TESTED GOOD. FAN FUNCTIONAL W/GOOD AIRFLOW. UNABLE TO PERFORM ACTUAL WXR SWEEPS DUE TO CLOSE PROXIMITY OF BUILDING. UPON VISUAL INSP. OF WXR R/T, FOUND EVIDENCE OF A LIQUID SPILLAGE ON TOP AND INTO R/T. REPLACED WXR R/T REF 34-43-41. OPS NORMAL REF MM 34-43-00. GROUND VERIFICATION GOOD.