What was found
DURING A MAINTENANCE VISIT, FOUND CORROSION, CENTER FUSELAGE, SKIN/PLATING, MARKER BEACON ON MOUNTING SKIN BETWEEN STA 640 AND STA 660, BETWEEN LONGERONS 34 LEFT AND LONGERON 34 RIGHT. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. BLENDED AREA FLAP PEEN, REWORKED AREA PROTECT AREA IAW DC8 SRM 51-1-8 AND FILL TO ENSURE SMOOTH CONTOUR IAW FAA APPROVED TENNESSEE TECH DER ENGINEERING SKETCH NR EO 99-008 AND 8110-3 DATED 01/20/99. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).