What was found
DURING ROUTINE C-CHECK INSPECTION, LEVEL 2 CORROSION WAS FOUND AT FUSELAGE STATION 560-610. THIS AREA HAD A PREVIOUS REPAIR AND THE CORROSION FOUND IS ATTRIBUTED TO NOT REMOVING ALL CORROSION AT THAT TIME. REPAIR OF THE AREA REQUIRED TWO CUTOUTS OF BOTH THE INTERNAL DOUBLER AND PLATING, ADDING FILLERS AND INSTALLING BOTH A REPAIR DOUBLER AND TRIPLER. REPAIR WAS ACCOMPLISHED IAW DRAWING HSE27-53-167, WHICH IS FAA DER APPROVED AND EO 53-DC8-155. (W)