As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: WEATHER RADAR FAILED MESSAGE DURING CLIMB; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. ACCOMPLISHED WEATHER RADAR (WXR) OPERATIONAL TEST. PER AMM 34-41-00. NO FAULTS NOTED, SYSTEM OK FOR SERVICE.