As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN AFT WET AREA FLOOR BEAM UPPER SURFACE AROUND FASTENER HOLE CORROSION BS 942, LBL 25. GROUNDED - YES. REMOVED AND REPLACED CHORD IAW BAC DWG 147A5430 REV: AND B737-800 SRM 51-40-02. REMOVED DOT: R657. ORIGINAL THICKNESS IS .060, REMAINING IS .044, .016 WAS REMOVED CHORD OUT OF LIMITS REF. B737-800 SRM 53-70-51.