As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF, THE STALL AVOIDANCE SYSTEM (SAS) ENGAGED UNCOMMANDED. THUS, A PRESSURE OF 80 POUNDS WAS EXERTED ON THE CONTROL COLUMN. THE WARNING RANG AND THE PILOTS DISENGAGED THE SYSTEM AND TERMINATED THE FLIGHT. MAINTENANCE FOUND THE POTENTIOMETER WAS CUT INSIDE, ALLOWING A FALSE INDICATION TO THE SAS.