As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING LOWER SKIN AT FSSI 1050-1070 SKIN UPPER FOWARD SIDE OF FRONT SPAR FOUND CORROSION. BLENDED OUT SKIN CORROSION PER B747 SRM 51-10-01. PERFORMED DVI OF BLEND AREA AND HFEC OF HOLES AND SURFACE. FLAP PEEN AREA PER SOPM 20-10-03. FABRICATED REPAIR PER EA-57-0593.