As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* CORROSION IN MULTIPLE AREAS ON RH SIDE SEAT RAIL FS661.00+16.00 TO FS669.40 (MARKED WITH FLAG AND IN RED) (C-CHECK RO 8/18/2021) CORROSION FOUND TO BE OUT OF LIMITS. REMOVED AND INSTALLED NEW RH SIDE SEAT RAIL FROM FS661.00+16.00 TO FS669.40 REF CRJ 900 AMM 53-00-49-400-801-A07.