As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - ABORTED TAKEOFF - FLT 0506 - ON TAKEOFF AT PHX EN ROUTE TO YVR UPON ADVANCING THROTTLES AND BRAKE RELEASE THE TAKEOFF CONFIGURATION WARNING HORN SOUNDED, ALL EFFORTS TO SILENCE HORN FAILED. RETURNED TO GATE. MAINTENANCE FOUND STABILIZER NOSE UP SWITCH (S132) SHORTED. REPLACED AND ADJUSTED SWITCH (S132) IAW AMM 31-26-24, OPERATIONAL CHECK WAS GOOD.