As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN STA 328 FLOORBEAM RBL55 CORRODED ON UPPER SURFACE. SRM 53-10-51 2R-7 PGS.1-30 REMOVED CORROSION ON FLOOR BEAM STA 328 RBL55 ORIG .125 DEPTH .021 REMAINING MATERIAL .104. FOUND TO BE OUT OF LIMITS IAW SRM 53-10-51. REPAIRED THE FLOORBEAM IAW SRM 53-10-51-2 R-7.