As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOORBEAM CORRODED ON UPPER SURFACE STA 1640 LBL 59-RBL 59. CORROSION ON EXISTING REPAIR FROM LBL 13- RBL 9 OUT OF LIMITS. REMOVED EXISTING REPAIR AND FLOORBEAM TO LBL 35 FABRICATED AND INSTALLED FLOORBEAM AND REPAIR ANGLES IAW B757 SRM 53-00-51 DURING HMV AT ST AEROSPACE SAN ANTONIO.