As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEVATOR FEELS ABNORMALLY STIFF. AILERON CONTROL FEELS NORMAL. CONTROL CHECKS NORMAL. ELEVATOR FEELS SIMILAR TO MANUAL REVISION MADE IN SIMULATOR. TROUBLESHOOT ELEVATOR SYSTEM. FOUND COPILOT PUSH/PULL TUBE AFT/BELOW COCKPIT PEDESTAL, BUSHINGS FROZE, REPLACED BUSHINGS.