What was found
AFTER ENGINE START, ATTEMPTED RUDDER CONTROL CHECK, AND FOUND RUDDER PEDALS/CONTROL JAMMED ON BOTH SIDES. NO MESSAGES OR CAUTIONS NOTED. RUDDER DEFLECTION ON PFD SHOWS 3/4 DEFLECTION. HYD QUANTITIES INDICATE NORMAL. PERFORMED OPS TEST OF RUD CONT SYSTEM PER AMM TASK 27-20-00-710-802. OPS TEST GOOD. REMOVED PANEL 121DZ VERIFIED NO OBSTRUCTION IN RUD SYSTEM REINSTALLED PANEL 121DZ. OPENED PANEL 311AB VERIFIED NO OBSTRUCTIONS IN RUD SYSTEM. CLOSED 311AB OPENED 322AL & 322DL VERIFIED AFT RUD QUADRANT GOES FULL STOPS & NO OBSTRUCTIONS IN RUDDER SYSTEM. REINSTALLED 322AL & 322DL. COMPLETED FREEDOM OF MOVEMENT CHECK ENSURED FULL TRAVEL & VERIFIED PROPER DIRECTION OF MOVEMENT NO DEFECTS NOTED IAW GPM 9.2.