As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED STAB AND MACH TRIM CAUTION MESSAGE ON TAKEOFF. TAKEOFF WAS ABORTED WITHOUT INCIDENT. MAINTENANCE FOUND F/O'S HORIZONTAL STABILIZER SWITCH TO BE -STICKY-. SWITCH WAS CLEANED. OPERATIONAL CHECKS OF THE HSTCU WERE PERFORMED. NO FAULT FOUND. OPERATIONAL CHECKS GOOD. HIGH SPEED TAXI COMPLETED. COULD NOT DUPLICATE STAB OR MACH TRIM DISENGAGEMENT. AIRCRAFT WAS RELEASED FOR SERVICE.