As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACV - CARGO DOOR 'AURAL' WARNING ACTIVATED DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. OPENED CARGO DOOR AND INSPECTED. NO DEFECTS NOTED. RESECURED DOOR AND PERFORMED AURAL WARNING CHECK. SYSTEM OPERATIONAL CHECK NORMAL. UNABLE TO DUPLICATE DISCREPANCY. AIRCRAFT RETURNED TO SERVICE. (M)