As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4237 - CREW REPORTED THAT AFTER FLYING THROUGH PRECIPITATION, WEATHER RADAR DISPLAYED ARC OF PRECIPITATION THAT WS NOT THERE. CREW RETURNED AIRCRAFT TO ORD FOR MAINTENANCE. MAINTENANCE REMOVED AND REPLACED THE RADOME IAW EMB MM. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)