As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH SIDE SEAT RAIL APPROX. FS 847+32.00 €“ FS 907.00 IS CORRODED. (C-CHECK RO 7/28/2021) EVALUATED CORROSION ON LH SIDE SEAT RAIL APPROX. FS847+32 TO FS907 AND FOUND TO HAVE LESS THAN 3" OF SEPARATION AND IS OUT OF LIMITS. REMOVED AND REPLACED LH SIDE SEAT TRACK BETWEEN FS847+32 TO FS907 IAW CRJ900 AMM 53-00-49-400-801-A07