As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWR: CORROSION ON RH FLOOR SILL BTW FS349 TO FS379 AT PAX CABIN FLOOR STRUCTURE. (CPAX). SUMMARY: RH FLOOR SILL BTW FS349 TO FS379 AT PAX CABIN FLOOR STRUCTURE WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-10-001-001-A01.