As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION PREVIOUS REPAIR IN THE MAIN CABIN WET AREA FLOOR BEAM UPPER SURFACE,BS.345 BETWEEN RBL. 5.0 TO LBL. 7.5. REMOVED THE EXISTING REPAIR IAW SRM 51-40-02-0G, FABRICATED, HEAT TREATED AND INSTALLED A NEW REPAIR IAW SRM 53-00-51-2R.