As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* RH SIDE SEAT RAIL RETAINER AFT OF AFT OVERWING EXIT CORRODED IN MULTIPLE AREAS (MARKED) (C-CHECK RO 8/18/2021) RH SIDE SEAT RAIL RETAINER AFT OF AFT OVERWING EXIT IS FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED SIDE SEAT RAIL RETAINER PN: SH690-37556-2 IAW CRJ 900 AMM 53-00-49-400-801-A07.