As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*LH FLOOR SEAT RAIL FROM APPROX. FS.477-FS.581 HAS MULTIPLE SPOTS OF CORROSION (MARKED) (C CHECK RO 12-19-21) REMOVED AND REPLACED L/H INBD FLOOR SEAT RAIL FROM FS477 TO FS581. REF CRJ-700 AMM 53-00-49-400-801-A03 AND 53-00-49-400-801-A03