As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C4, AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT HAS CORROSION AROUND NUMEROUS NUTPLATES STA 1340 AND 1380 RBL 19. FOUND TO BE OUT OF REPAIRABLE LIMITS IAW SRM 53-0053-1A1. ENTIRE SECTION OF FLOOR TO SIDEWALL SUPPORT WILL BE REPLACED ON CUSTOMER CARD NR 861383.