As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOORBEAM AT BS 947 RBL 48 - 50 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 FLOORBEAM IAW SRM 51-40-02 AND DRAWING 147A5650 REV- SHEET 45.