As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AFT ENTRY DOOR CUT OUT AFT FRAME FWD FACE HAS ONE CORRODED FASTENER HOLE, 3 INCH ABOVE FLOOR LINE & 4 INCH INBD OF FUSELAGE. EXCESSIVE MATERIAL LOSS DURING CORROSION REMOVAL. REQUIRED INSTALLING DOUBLER IAW SRM 53-41-12-201 FIG 201.