What was found
DURING A MAINTENANCE VISIT, FOUND CORROSION DAMAGE TO THE DOUBLER ON LONGERON L28L AT FS 600 , DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED DOUBLER IAW DC-8 SRM 51-3-0.