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 FAILED AFTER TAKEOFF, FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED WEATHER RADAR TRANSCEIVER (AALA202110064017) IAW AMM 34-43-41 AND BLOWER ASSEMBLY IAW AMM 34-43-51 WITH SERVICEABLE UNITS, OPS CHECK GOOD.