As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOOR SUPPORT L-1 DOOR LOWER SILL AREA BS 345-365 HAS CORROSION UNDER NUTPLATES. CORROSION OUT OF LIMITS. REMOVED AND FABRICATED NEW FLOOR SUPPORT ON MAE FAB TRAV NR T10/817695, PN BAC1517-2238 HT T6 IAW SRM 51-10-02. INSTALLED NEW FLOOR SUPPORT AT LBL-58, FS 345 TO 365 IAW SRM 51-40-02.