As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WEATHER RADAR CONTINUOUS SPIKING. ERRATIC DEPICTION OF TARGETS. OCCURRED IN ALL MODES. AIRCRAFT AIR INTERRUPTED BACK TO CLT AND DECLARED AN EMERGENCY. AIRCRAFT WAS OVERWEIGHT FOR LANDING. REMOVED AND REPLACED WEATHER RADAR TRANSCEIVER PER AMM 34-43-41.