As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: C3 UPPER DECK FLOOR BEAM UPPER CHORD AT BS 360 LBL 24-54 FOUND FOUR FLOORBEAM PANEL ATTACHMENT HOLES CRACKED AS MARKED. REPAIRED CRACKED HOLES PER SB 747-53A2431 FIG 9. THE REPETITIVE INSPECTION TO BE FOLLWED BY UPS & TO BE BODIED IN 3000 FLT CYCLES PER EO B747-5320-12407-B (CUSTOMER HAD BEEN INFORMED).