As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
[B737-53-3-0737] AFT WET AREA STA 986.5 FLOOR BEAM HAS CORROSION ON UPPER FORWARD FLANGE LBL 43. [MKD 78-35] REF AAR NR 99861630 ACCOMPLISHED PERMANENT REPAIR AT FLOOR BEAM STA 986.5 FROM LBL 50 TO RBL 50 (FULL LENGTH OF BEAM) PER B737-800 SRM 53-70-51 REPAIR AND ALTERNATIVE 1 FIG 204