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 RBL 9.00 FROM FS 349.00 TO FS473.00 AND FS 581.00 TO 680.00 AT PASSENGER CABIN. DUE TO EXCESIVE DAMAGE SEAT RAILS AT RBL 9.00 FROM FS 349.00 TO FS473.00 AND FS 581.00 TO 680.00 AT PASSENGER CABIN WERE REPLACED PER CRJ-900 SRM 53-21-49-101-001-A01, SRM 53-41-49-101-001-A02, SRM 53-31-49-101-001-A02 FIGURE 53-31-49-991-806 AND CRJ-900 AMM 53-00-49 (CONFIG A12).