As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RH FLOOR SEAT RAIL BETWEEN APPROX. FS 847.00+48 €“ FS 977.00. (C-CHECK) RO 2/1/2021 REMOVED AND REPLACED FLOOR SEAT RAIL IN AFT CABIN BETWEEN FS847.00+48 TO FS 977.00 ON RIGHTHAND SIDE IAW CRJ 900 AMM 53-00-49-400-801 (CONFIG A07) ( SEE CONTINUATION FOR FURTHER DETAILS)