As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT DIVERTED ON ACCOUNT OF THE WEATHER RADAR INOPERATIVE. EMERGENCY WAS DECLARED. FLIGHT WAS OVERWEIGHT FOR LANDING, LANDED WITHOUT INCIDENT. MAINTENANCE SWAPPED ANTENNA DRIVE J2-J1 CONNECTORS IAW AMM 34-41-01 AND REPLACED R-T UNIT IAW AMM 34-41-04. WEATHER RADAR SYSTEM FUNCTIONAL TEST OK.