As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS NOTED ON FLOOR BOARD FASTENER NUT PLATES AND ADJACENT STRUCTURE FS 574.00 TO FS 621.00 LBL 42.5. AFTER BLENDING, TWO LOCATIONS WERE FOUND TO BE OUT OF LIMITS IAW CRJ-200 SRM 53-61-23. REPLACED THE CARGO DOOR ENTRY FLOOR LANDING PLATE P/N 601R35011-63.