As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS 1208-1212 LBL9-13 WING CTR SECTION UPPER SURFACE FOUND CORRODED. CORROSION BLEND OUT 0.041" BY 2" BY 10" EXCEED SRM LIMIT. BS 1208-1212 LBL9-13 WING CTR SECTION UPPER SURFACE CORRODED AREA REPAIRED AS PER RS R57-14-35594 FIG 5 AND UPS ENGINEERING FILE NUMBER 747-57-20100.