As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C M/D BS 1155 RBL 92 TO 96 WING CTR SECTION UPPER SURFACE FOUND CORRODED. CORROSION BLEND OUT 0.079" BY 4" BY 4" EXCEED SRM LIMIT. M/D BS 1155 RBL 92 TO 96 WING CTR SECTION UPPER SURFACE SKIN REPAIRED AS PER RS 57-14-35602 REFER NRC6353 FOR WORKING DETAIL AND UPS EO B747-5730-25246-A.