What was found
PILOT EXPERIENCED AILERON MOVEMENT RESTRICTIONS ON RUN-UP CHECK. AILERONS MOVED TO FULL RIGHT DEFLECTION, AND WOULD COME ONLY THREE-FOURTHS OF THE WAY BACK TO NEUTRAL POSITION, AND LOCK. WOULD ONLY MOVE TO RIGHT. AFTER MUCH T/S, DISCOVERED CONTROL YOKE & COLUMN ARM & SHAFT WERE FULL OF DECON MOUSE KILLER PELLETS RESTRICTING MOVEMENT OF CHAIN & SPROCKETS IN YOKE & ROTATING SHAFT IN THE COLUMN SHAFT THAT GOES INTO THE INSTRUMENT PANEL. A GOOD CLEANING RESOLVED PROBLEM. OWNER REMOVED DECON BAITING STATIONS IN THE HANGAR. HE ALSO HAD METAL RINGS AROUND HIS TIRES THAT SHOULD KEEP MICE FROM GETTING IN.