As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* LH SIDE SEAT RAIL AFT OF AFT OVERWING EXIT CORRODED IN MULTIPLE AREAS (MARKED) (C-CHECK RO 8/18/2021) LH SIDE SEAT RAIL AFT OVERWING EXIT P/N SH670-36260-5 REMOVED AND REPLACED WITH A NEW ONE AT APPROXIMATELY FS735.00-FS847.00+14 IAW CRJ900 AMM 53-00-49-400-801-A07