As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT DURING FLIGHT, WEATHER RADAR BEGAN MALFUNCTIONING. DUE TO WEATHER CONDITIONS ALONG FLIGHT ROUTE, ELECTED TO RETURN TO FIELD. LANDED WITHOUT INCIDENT. MX COULD NOT DUPLICATE MALFUNCTION AND PERFORMED SUCCESSFUL OPS CHECK OF WEATHER RADAR SYSTEM WITH NO FURTHER DEFECTS NOTED.