As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF WAS ABORTED WHEN THE TAKEOFF WARNING HORN SOUNDED. MAINTENANCE CYCLED THE CONDITION LEVER AND SYSTEM OPERATED NORMALLY. THE FLAP POSITION INDICATOR WAS CHANGED OUT AND SYSTEM CHECK WAS PERFORMED. NO DEFECTS WERE NOTED AT THAT TIME AND AIRCRAFT WAS THEN RELEASED FOR SERVICE.