As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPLICATION OF TAKEOFF POWER, AURAL WARNING HORN SOUNDED. ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE FOUND LOWER STABILIZER TRIM WARNING SWITCH S533 DEFECTIVE. REPLACED SWITCH AND PERFORMED OPERATIONAL CHECK. NO DISCREPANCIES NOTED.