What was found
DURING A MAINTENANCE VISIT, FOUND CORROSION DAMAGE TO NR 4 ENGINE, RIGHT SIDE AFT FAN COWLING, ZEE CLOSE-OUT. REMOVED DAMAGED SECTION, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR DOUBLER IAW FAA APPROVED DER TIMCO ENGINEERING SKETCH REO-04439.