As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWR: CORROSION ON FLOOR SUPPORTS BTW FS310 TO FS349 AT PAX CABIN FLOOR STRUCTURE, PASSENGER DOOR LOWER SILL. (CPAX). SUMMARY OF NRC 00233: FLOOR SUPPORTS BTW FS310 TO FS349 AT PAX CABIN FLOOR STRUCTURE, PASSENGER DOOR LOWER SILL WERE REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01. AND SRM 51-41-02-001-001-A01. ADDITIONAL PART INSTALLED: SH670-31825-9