As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR DECK PLATE HAS AREAS OF CORROSION STA 1680-1720 BL 0-RBL 54. REMOVED CORROSION AT STA 1680 RBL 24, FOUND TO BE OUT OF LIMITS. CUT OUT DAMAGED SECTION AND INSTALLED REPAIR REF B757 SRM 53-60-51. DURING PSV AT ST AEROSPACE SAN ANTONIO.