As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURE FLOOR SEAT TRACK CORRODED FROM FS409+128 TO FS559 AT LBL9.00. (C-CHECK RO 10/07/2021) UPON FURTHER INVESTIGATION FOUND PRESSURE FLOOR SEAT TRACK FROM F.S. 409.00+128 TO F.S. 559.00 AT LBL 9.00 IAW CRJ 200 SRM 53-21-49. REMOVED AND INSTALLED NEW SERVICABLE FLOOR SEAT TRACK FROM F.S. 409.00+128 TO F.S. 559.00 AT LBL 9.00 IAW CRJ 200 AMM 53-01-11-000-802 AND 53-01-11-400-802