As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH TO KORD, WHEN SELECTING FLAPS 30, THE FLIGHT CREW RECEIVED A FLAPS FAIL CAUTION MESSAGE. THE FLIGHT CREW DECLARED AN EMERGENCY WITH ATC AND LANDED WITHOUT FURTHER INCIDENT. ARFF ESCORTED THE AIRCRAFT TO THE GATE WHERE THE PASSENGERS DEPLANED NORMALLY WITH NO ADVERSE PASSENGER REACTIONS NOTED.