As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*L/H SIDE SEAT RAIL HAS SEVERAL SMALL AREAS OF CORROSION FROM FS 669.40 TO FS 720.85. MARKED WITH RED GREASE PENCIL. (C-CHECK) RO 5/10/2020 INSTALLED NEW L/H SIDE SEAT RAIL FROM FS669.40-FS720.85 REF: CRJ 900, AMM,SEE CONTINUE CARD FOR DETAILS.