What was found
WHILE PERFORMING A WALK AROUND INSPECTION OF THE AIRCRAFT PRIOR TO MAINTENANCE, WAS CHECKING THE MOVEMENT OF THE AILERONS AND HEARD A STRANGE GRINDING NOISE. UPON FURTHER INSPECTION FOUND NOISE COMING FROM THE LT AILERON AREA. GAINED ACCESS TO THE LT AILERON BELL CRANK ASSEMBLY AND DISCOVERED THAT THE AILERON CABLE ASSEMBLY HAD FRAYED TO THRU HALF OF THE CABLE. THE AILERON BELLCRANK ASSEMBLY IS LOCATED AT WS 145.00 JUST FORWARD OF THE LT AILERON. AILERON CABLE ASSEMBLY R & R WITH NEW CABLE ASSEMBLY, PN 500008-27.