What was found
(CAN) FLIGHT LEVEL 27,000 FT ,OAT -45 .THE AUTO PILOT DIS- ENGAGED AT THIS TIME THE PILOT TOOK CONTROL OF THE AIRCRAFT AND FOUND THE AILERON CONTROLS WERE FROZEN. THE PILOT DESENDED TO 15,000 FEET AT THIS POINT THE CONTROLS STARTED TO FREE UP AND AS THE AIRCRAFT CONTINUED ITS DESENT THE CONTROLS RETURNED TO NORMAL .THE AIRCRAFT LANDED WITHOUT INCIDENT. A COMPLETE CONTROL INSPECTION WAS PERFORMED SOME MOISTURE WAS FOUND AROUND OUTBOARD BELLCRANK, THERE WAS ALSO PRESENCES OF MUD IN OTHER AREAS THIS WAS ALL CLEANED AND LUBRICATED AS REQUIRED. THE AIRCRAFT WAS RETURNED TO BASE FOR FUTHER INSPECTIONS AND THE MANUFACTUREER WAS CONTACTED.