As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR PANEL SUPPORT HAS PULLED RIVETS THRU UPPER SHIM AT BS 1055 LBL 24.75 TO 45.5. REMOVED AND FABRICATED, INSTALLED NEW FLOOR SUPPORT (PLATE) AT STA 1055 BETWEEN LBL 24.75-LBL 45.5, IAW B 757 SRM 51-40-02-OG, 51-40-05-OG AND BOEING DWG 144N5070 REV W AND REV B.