As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CVG TO AZO - ON INITIAL CLIMB, THE FLIGHT CREW NOTICED A RUMBLING SOUND COMING FROM THE FIRST OFFICER'S WINDSHIELD. THE FLIGHT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE HUMP SEAL ON THE FIRST OFFICER'S WINDSHIELD WAS COMING LOOSE. MAINTENANCE APPLIED A TEMPORARY REPAIR FOR THE SEAL AND OPENED A RESCHEDULE FOR A FINAL REPAIR.