As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RDD - CARGO DOOR WARNING LIGHT ILLUMINATED DURING TAKEOFF ROLL. TAKEOFF ABORTED. DEFERRED DOOR WARNING PER MEL 52-70-1. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEARED DEFERRAL BY ADJUSTING MICROSWITCH. OPERATIONAL CHECK SATISFACTORY. (X)