As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3920 ELECTED TO RETURN TO FIELD DUE TO WEATHER RADAR GOING INOPERATIVE DURING CLIMB WITH WEATHER POSSIBLE IN THE AREA. THE AIRCRAFT DID NOT ENCOUNTER ANY SEVERE WEATHER AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RADAR R/T. OPERATIONAL CHECKS GOOD, AIRCRAFT RETURNED TO SERVICE.