As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD CREW REPORTED AUTO FLAP FAIL LIGHT ILLUMINATED WITH MASTER CAUTION. EMERGENCY DECLARED FLIGHT LANDED ORD WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AUTO SLAT ACTUATOR NR 1. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.