As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESRIPTION CORROSION ON SIDE SEAT RAIL STGR 15 (4EAS) RH AND (4EAS) LH BTW FS 379.00 TO FS 669.40 AT PASSENGER COMPARTMENT
CORRECTIVE ACTION SIDE SEAT RAIL STGR 15 (4EAS) RH AND (4EAS) LH BTW FS 379.00 TO FS 669.40 AT PASSENGER COMPARTMENT WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-41-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)