As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*L/H SIDE SEAT TRACK HAS MULTIPLE SPOTS OF CORROSION, SCRATCHES AND GOUGES AT APPROX. FS669.00-FS720.00 (C-CHECK RO 7/7/2021) REMOVED AND REPLACED L/H SIDE SEAT TRACK RAIL WITH NEW ONE (P/N SH690-36284-1) FROM FS669.00-FS720.00. REF CRJ900 AMM 53-00-49-400--801-A07.