As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADAR ANTENNA FAIL LIGHT CAME ON AFTER TAKEOFF AND ANTENNA WOULD NOT SWEEP. REPEATED CYCLES ON AND OFF THE RADAR, DID NOT HELP. REMOVED AND REPLACED RADAR ANTENNA DRIVE UNIT PER MAINTENANCE MANUAL 34-41-21. OPERATIONAL CHECKED WEATHER RADAR PER MAINTENANCE MANUAL 34-41-0, OPERATIONAL CHECKED GOOD.