As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR STRUCTURE (SECTION 47) AFT WET AREA, FLOOR SUPPORT AT BS 947.5-967, LBL 16 CORRODED ON UPPER SURFACE. ACFT GROUNDED. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51-1A-1 FIGURE 103, DETAIL C. REMOVED AND REPLACED THE FLOOR SUPPORT IAW DRAWING 147A5650 SHEET 1 REV C.