As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C2 LEFT WING CENTER L/E UPPER SKIN IS CRACKED AND HAS INTERGRANULAR CORROSION BETWEEN XFS 341 TO XFS 366.5. CUT OUT CRACKED AND CORRODED AREAS, NDT VERIFIED NO CRACKS. FABRICATED AND INSTALLED DOUBLER AND FILLERS IAW SRM 57-2-1 FIG 38 AND UPS DC8-57-20040 AND DH SK 703-448.