As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 SLAT DAMAGED BY BOARDING STAND ON TAXI OUT. DAMAGE WAS OBSERVED BY GROUND CREW. THEY CALLED MANAGEMENT AND MANAGEMENT NOTIFIED TOWER. TOWER NOTIFIED FLIGHT CREW AND THE CREW PERFORMED AIR TURN BACK INTO CVG. MAINTENANCE OBSERVED DAMAGE TO NR 1 SLAT AND SLAT FAIRING PANELS. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED NR 1 SLAT, IAW AMM 27-81-02 AND THE SLAT FAIRINGS WERE REPAIRED. THE AIRCRAFT WAS RETURNED TO SERVICE.