As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION SIDE SEAT RAIL 15RH (5EAS) BTW FS669.40 TO FS977. SIDE SEAT RAIL 15RH (5EAS) BTW FS669.40 TO FS977.00 AREA IS OUT LIMITS PER CRJ-900 SRM 53-31-43-101-001-A01 AND SEAT RAIL 15RH (5EAS) BTW FS669.40 TO FS977.00 WERE REPLACED PER CRJ-900 AMM 53-00-49-400-801 (CONFIG A12)