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 (PASSENGER FLOOR SILL AREA) AT PAX CABIN FLOOR STRUCTURE MID CAP ANGLE (PASSENGER FLOOR SILL AREA) AT PAX CABIN FLOOR STRUCTURE WAS REPLACED PER CRJ900 SRM 51-40-11-001-001-A01 AND CRJ-900 SRM 51-41-02-001-001-A01