As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADAR DEPICTS A NOISE STROBE/RETURN ALONG 25-30 DEGREE AZIMUTH DURING AUTO OPERATIONS & SHOWS WEAKER STROBE 15 DEGREE LT AZIMUTH DURING MANUAL OPERATIONS MORE PRONOUNCED WITH SETTING CHANGES. ACFT GROUNDED. R & R WEATHER RADAR R/T IAW MM 34-43-41. M. GROUND VERIFICATION SUCCESSFUL IAW AMM 34-43-00.