As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C U/D RT BS 340 UPPER DECK FLOORBEAM UPPER TEE AND FRAME ATTACHMENT AREA 1 FASTENER HOLE FOUND TEE AT FRAME SPLICE. U/D RT BS 340 FLOORBEAM TEE ATTACHED FRAME SPLICE AT STR 13A AREA REPLACED AS PER RS R53-12-35567. CONTINUED INSPECTION IS REQUIRED AS PER RS R53-12-35567 SHEET 2 ITEM C11 AND UPS EO B747-5310-25138-A.