As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* RH SIDE SEAT RAIL BETWEEN FS847.00+48.00 & FS897.00 CORRODED IN MULTIPLE AREAS (MARKED) (C-CHECK RO 8/18/2021) REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED RH SIDE SEAT RAIL BETWEEN FS 847.00+48 TO FS 897.00 REF. CRJ-900 AMM 53-00-49-400-801-A07