As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN BETWEEN FR 64 & 66 FLOOR SUPPORT Y1292 CORRODED. BLENDED CORROSION IAW SRM 51-74-00. DIM AFTER BLEND OUT ARE L=1.2" W=1.45" D=0.077", FOUND TO BE OUT OF LIMITS IAW SRM 53-00-14, FIG 102. REMOVED DAMAGED FLOOR SUPPORT IAW SRM 51-42-11. INSTALLED NEW FLOOR SUPPORT IAW SRM 51-42-11.