As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND BETWEEN THE FOLLOWING STATIONS: FROM FS 785.15 TO FS 797.00 OF THE R/H SIDE SEAT RAIL. CORRECTIVE ACTION: R/H SIDE SEAT RAIL FROM FS 785.15 TO FS 797.00 WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-41-49-101-001-A02 AND WAS REPLACED PER CRJ-900 AMM 53-00-49-000-801 (CONFIG A12) AND CRJ-900 AMM 53-00-49-400-801 (CONFIG A12).