What was found
DURING A ROUTINE ANNUAL INSPECTION, THE LOWER AFT RT NACELLE SKIN WAS FOUND CHAFING INTO THE WING SKIN DIRECTLY AFT OF THE FORWARD LOWER SPAR CAP. IT HAD ALSO CHAFED A LINE INTO THE SPAR CAP TO A DEPTH OF .008 INCH. BEECHCRAFT TECHNICAL SUPPORT WAS CONTACTED, ENGINEERING DEPT NOTIFIED AND REPAIRS MADE IAW THEIR RECOMMENDATIONS. THIS DISCREPANCY WAS FOUND AFTER READING FAA AC 43-16A DATED JULY '98.