What was found
DURING A MAINTENANCE VISIT FOUND CORROSION, FUSELAGE, MEMBRANE, LT UPPER CUSP BETWEEN STA 1400 AND STA 1380 AT LONGERON 21 LEFT. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR DOUBLER IAW DC8 SRM 53-2-0 FIG 1D AND 51-1-21. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).