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 FAIL CAUTION MESSAGE ILLUMINATED; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. TESTED WEATHER RADAR SYSTEM, NO FAULTS FOUND. SYSTEM TESTED GOOD AS PER MM 34-43-00. REPLACED WEATHER TRANSCEIVER, AS A PRECAUTION. SYSTEM TEST GOOD. PER MM 34-43-00 AND PER MM 34-43-41.