As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, FOUND MAIN CABIN FWD UTILITY AREA FR 20 FLOOR SUPPORT -Y765 HAS CORROSION. BLENDED CORROSION IAW SRM 51-74-00.L=2.0 W=1.060 D=0.079. FOUND TO BE OUT OF LIMITS IAW SRM 53-11-14 REPLACED FLOOR SUPPORT IAW SRM 51-42-11.