As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SUPPORT TASK) MAIN CABIN FLOOR BEAM STA 720 CORRODED ON UPPER F LANGE AT RBL 43. TRANSCRIBED FROM HAECO GSO NR 9284232. CORROSION FOUND TO BE OUT OF LIMITS. REPAIRED FLOORBEAM IAW B757 -200 SRM 53-00-51 REPAIR 10. HAECO GSO MECH V901443 INSP QC453