As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM CVG RECEIVED PROX SYSTEM FAULT 1 STATUS MESSAGE FOLLOWED BY CARGO DOOR CAUTION AND PASS DOOR WARNING MESSAGE. NO CABIN PRESSURE LOSS. ACFT RETURNED BACK TO CVG AND LANDED SAFELY. FOUND CARGO DOOR HARNESS DAMAGED. REMOVED AND REPLACED CARGO DOOR WIRE HARNESS. (S)