As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER PERFORMING SPINS AND STALLS, THE PILOT NOTED THAT HE COULD NO LONGER MOVE THE STICK FORWARD FROM THE NEUTRAL POSITION. THE TRIM WAS ALSO INEFFECTIVE. AFT MOVEMENT OF THE STICK AND TRIM WERE POSSIBLE. MAINTENANCE FOUND THAT THE RUDDER PEDAL ADJUSTMENT CABLE 'T' HANDLE WAS JAMMED BETWEEN THE STICK AND THE SEAT PAN. THE LEATHER CONTROL STICK SHROUD WAS IN PLACE. THE 'T' HANDLE WAS ON TOP OF THIS LEATHER SHROUD.