As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOORBEAM STA 720 LBL 62 HAS CORROSION AT SCREW HOLE. REMOVED CORROSION IAW 51-10-02. ORIG MAT .125" AFTER REWORK .080 OUT OF LIMITS IAW SRM 53-00-51, FIG 1, DET III, REPAIRED IAW SRM 53-00-51 FIG 201 R1, THIS IS CAT. "A" REPAIR. MAJOR REPAIR.