As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*MULITIPLE SPOTS OF CORROSION ON SIDE SEAT RAIL AFT OF THE FS409.0+128 TO FS559.00+64 FOR L/H SIDE (MARKED). (C-CHECK) RO 2/9/2021 FOUND TO BE CORRODED BEYOND REPAIR, INSTALLED NEW SIDE SEAT TRACKS FROM F.S.409+128 TO F.S.559+80 IAW CRJ200 AMM 53-01-11-400-802.