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 STGR 15 RH/LH (SEVERAL LOCATIONS) BTW FS669.40 TO FS977.00 AT PASSENGER CABIN. SIDE SEAT RAILS STGR 15 RH/LH BTW FS669.40 TO FS977.00 AT PASSENGER CABIN WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-41-49-101-001-A02 AND CRJ900 SRM 53-51-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12).