As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOORBEAM STA 947 RBL 60 CORRODED ON UPPER SURFACE. REPAIRED FLOORBEAM AT STA 947 RBL 60 IAW B737-800 SRM 53-70-51- 2R-5. REMOVED CORROSION IAW SRM 51-10-02 ORIG THICKNESS .180" DEPTH OF BLEND .080 AND MATERIAL REMAINING IS .100". FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51. REPAIR IS A CATEGORY A REPAIR.