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 FS 570-661+12 HAS MULTIPLE SPOTS OF CORROSION. REMOVED RH SIDE SEAT RAIL BETWEEN FS570-661+12 IAW CRJ900 AMM 53-00-49-000-801 (CONFIG A19). INSTALLED NEW RH SIDE SEAT RAIL BETWEEN FS570-661+12 IAW CRJ900 AMM 53-00-49-400-801 (CONFIG A19)