As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETRACTION AFTER DEPARTURE FROM CVG RECEIVED NOSE DOOR OPEN AND GEAR DISAGREE WARNING MSG'S. EMERGENCY DECLARED, RAN QRH GEAR CONFIRMED DOWN AND LOCKED, A/C RETURNED TO CVG LANDED SAFELY. FOUND BRACKET FOR NOSE GEAR CENTERED TARGET BENT. REMOVED AND REPLACED BRACKET. NO FURTHER DEFECTS.