As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR AFT SHEAR PLATE CORRODED STA 1680-1720 BL 0 LBL 54. MATERIAL LOSS .016 AT AREA 1 ZONE STA 1680-1681 LBL 11.4-12.5 FOUND OUT OF LIMITS. INSTALLED DOUBLER AND FILLER AT STA 1680-1685 LBL8-16 PER B757 SRM 53-60-51 FIG 201 REPAIR 2 AT SAA DURING HMV. REF NRC 185931.