As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN WET AREA STA 947 FLOOR BEAM LBL 51 CORROSION FOUND ON UNDERSIDE OF TOP FLANGE. CORROSION FOUND TO BE OUT OF LIMITS PER SRM 5370511A1 ORIGINAL T = .180 LOSS .044 REMAINING T = .136 T CAP REPAIR WAS ACCOMPLISHED ON NRC Y249437 PN 147A550429