As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE SEAT RAIL CORRODED BETWEEN FS 409+18.02 AND FS 409+111.02 AT STGR 15L (C-CHECK) RO 2/17/2021. REPLACED THE LT SEAT RAIL BETWEEN FS 409+18.02 AND FS 409+111.02 AT STGR 15L IAW CRJ 200 AMM 53-01-11-400-802. REFERENCE ATTACHED CONTINUATION CARD FOR WORK PERFORMED.