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 AND THE AIRCRAFT DIVERTED TO ORD DUE TO THE FLIGHT CREW REPORTING THAT WEATHER RADAR NOT PICKING UP WEATHER TO DISPLAY. IN ADDITION RADAR WOULD PICK UP GROUND CLUTTER. THE AIRCRAFT LANDED SAFELY AT ORD AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED THE WEATHER RADAR TRANSCIEVER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 34-41-33.