As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REJECTED TAKE-OFF AT ROTATION DUE TO STICK PUSHER SHAKE. AIRCRAFT WAS AT MORE THAN 80 KNOTS AT TIME OF REJECTION. FLIGHT RETURNED TO GATE. BOTH STALL SYSTEMS CHECKED SERVICEABLE ON THE GROUND. FOUND THAT THE LT LE DEICE BOOT DELAMINATING CAUSING THE STALL/STICK SHAKER TO ACTIVATE. THE LEADING EDGE WAS REPLACED AND THE AIRCRAFT BROUGHT BACK TO SERVICE.