As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS 600 UPPER DECK FLOORBEAM AFT HORIZ FLANGE FOUND CRACK AT RBL 54, 57 AND 60 APPROX 1/8", 1/8 , 1/16" RESPECTIVELY ALL RUNNING AFT. U/D BS 600 FLOORBEAM AFT HORIZ FLANGE RBL 54, 57 AND 60. REPAIRED AS PER UPS EO NR B747-5310-23043 APPENDIX D FIG 14 PLAN H.