As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN FLOOR SUPPORT AT FR68 LT Y765 UPPER FLANGE HAS CORROSION. BLENDED AREA IAW SRM 51-74-00 L=2 W=1 D=0.060 INCH ORIGINAL MAT .137 INCH. FOUND TO BE OUT OF LIMITS IAW TRM 53-41-15 FIG 2. RECEIVED NEW FLOORBEAM. REMOVED AND REPLACED FLOOR SUPPORT IAW SRM 51-42-11 AND IAW TRM 53-21-01.