As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CVG - AT 200 FEET AGL FINAL APPROACH, GPWS ACTIVATED WITH 'TOO LOW FLAPS' WARNING. FLAP POSITION WAS VERIFIED IN 30 DEGREE POSITION BY ALL THREE CREW MEMBERS. GO-AROUND WAS EXECUTED, NEXT APPROACH WAS UNEVENTFUL TO A NORMAL LANDING. CLEANED FLAP SWITCH. OPS CHECKS GOOD. PER MM 34-12-11.