As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAIL ON LBL9 (1EA) AND RBL9 (3EAS) BTW FS693.00 TO FS1000.00 AT PASSENGER COMPARTMENT INTERNAL STRUCTURE.
CORRECTIVE ACTION: SEAT RAIL ON LBL9 (1EA) AND RBL9 (3EAS) BTW FS693.00 TO FS1000.00 AT PASSENGER COMPARTMENT INTERNAL STRUCTURE WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-41-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49 CONFIG.A12