What was found
LAS - ABORTED TAKEOFF - FLT 0193 - C - ON TAKEOFF ROLL RUNWAY 22R AT 60 KTS AFT CARGO DOOR OPEN INDICATION APPEARED ON ECAM; TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED UNEVENTFULLY TO THE GATE. AT THE GATE MAINTENANCE VISUALLY CONFIRMED CARGO DOOR WAS CLOSED AND A DPI WAS ISSUED FOR MEL 52-70-01 COND 7 CARGO DOOR INDICATION INOPERATIVE AND AIRCRAFT CONTINUED ON SCHEDULED FLIGHTS. AT CMH MAINTENANCE CHECKED ALL PROXIMITY SWITCHES AND TARGETS IWA AMM 52-71-12-75-050, ALL CHECKS WERE GOOD. AIRCRAFT HISTORY WAS RESEARCHED AND VERIFIED TO HAVE NO PREVIOUS EVENTS FOR CARGO DOOR FAULTS, MEL WAS CLEARED.