As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN FLOOR BEAM UPPER SURFACE HAS CORROSION SPOT AT FITTING B.S.947.5 R.BL.50". (REF NR 9172585) FLOOR BEAM OUT OF LIMITS CUTOUT UPPER T SECTION AND INSTALLED REPAIR FROM STA 947.5 BETWEEN LBL 7.80 TO RBL 51.60 AS PER B737 SRM 53-70-51 REPAIR 5.