As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON MID CAP ANGLE FROM FS310 TO FS349 (PASSENGER DOOR LOWER SILL AREA) AT PAX CABIN FLOOR STRUCTURE MID CAP ANGLE FROM FS310 TO FS349 (PASSENGER DOOR LOWER SILL AREA) AT PAX CABIN FLOOR STRUCTURE WAS REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01