As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SEAT RAILS AT LBL 9.00 FROM FS 374.00 TO FS485.00 AND FS 581.00 TO 680.00 AT PASSENGER CABIN. FLOOR SEAT RAILS AT LBL 9.00 FROM FS 374.00 TO FS485.00 AND FS 581.00 TO 680.00 AT PASSENGER CABIN WERE REPLACED PER CRJ900 AMM 53-00-49.