As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SIDE SEAT RAIL 15 LH BTW FS 847.00 + 8.40 TO FS 897.70 AT PASSENGER CABIN. CORROSION ON SIDE SEAT RAIL 15 LH BTW FS 847.00 + 8.40 TO FS 897.70 AT PASSENGER CABIN WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-51-49-101-001-A02 AND WAS REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)