As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING - CORROSION REPAIR AT FORWARD EDGE OF LOWER FORWARD SKIN PANEL, WS 1390-1498. THE CORROSION WAS IN THE UPPER SURFACE OF THE SUBJECT SKIN, AND IN THE LOWER SURFACE OF THE RT WING FORWARD SPAR LOWER CHORD. THE CORROSION WAS REMOVED BY BLENDING PER B747 SRM 51-10-01. FABRICATED AND INSTALLED SHIMS AND TO ACCOMPLISH SRM REPAIRS AT ALL THREE CUTOUTS IN THE FORWARD EDGE OF THE SUBJECT WING SKIN, PER ECRA 477-57-078-2.