What was found
DURING ROUTINE C-CHECK INSPECTION, A FUSELAGE SKIN BULGE WAS FOUND ACCOMPANIED BY MISSING RIVET HEADS AT FUSELAGE STATION 445.0, BETWEEN LONGERONS 30LT AND 32LT. REPAIR WAS ACCOMPLISHED BY REMOVING CORRODED AREA, FABRICATION AND INSTALLATION OF AN INTERNAL FINGER DOUBLER AND EXTERNAL REPAIR DOUBLER IN ACCORDANCE WITH ENGINEERING ORDER 53-DC8-438, AND FAA DER APPROVED DRAWING 853-016097.