What was found
DURING A MAINTENANCE VISIT FOUND CORROSION, FUSELAGE, MAIN CARGO DOOR PLANK BETWEEN STA 640 AND STA 700, AT BL 20 LEFT. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. BI REPAIR DOUBLER IAW DC8 SRM 53-2-3, FIG 10. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).