What was found
PILOT REPORTED LOSS OF RUDDER CONTROL IN-FLIGHT. THE AIRCRAFT WAS LANDED SAFELY AND DELIVERED TO MAINTENANCE. INSPECTION REVEALED THE RUDDER PULLEY BRACKET L OCATED AT STA 1.67 HAD PULLED FREE FROM THE FORWARD BULKHEAD. THIS ALLOWED MISALIGNMENT OF THE CABLES ON THE PULLEYS AND ONE PULLEY , P/N MS20220-2, FAILED CAUSING LOSS OF RUDDER CONTROL. CAUSE OF THIS WAS UNDETERMINED. AS ACCESS TO THIS AREA IS VERY LIMITED, RECOMMEND INSTALLATION OF AN ACCESS PANEL BELOW THE AREA TO FACILITATE FUTURE INSPECTION.