As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOOR SEAT RAIL AT RBL 9 IS CORRODED FS 349.00 TO FS 485.00. REMOVED CORRODED CABIN FLOOR SEAT RAIL AT RBL 9 BETWEEN FS 349 TO FS 485. FABRICATED, LOCATED, DRILLED AND REINSTALLED A NEW SERVICEABLE SEAT RAIL FROM P/N N126-2075, IAW CRJ 900 SRM 53-00-49-201-002-A01.