As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAIL BTW FS 349.00 TO FS 477.40 RBL 9.00 AT CABIN PAX. CORROSION ON SEAT RAIL BTW FS 349.00 TO FS 477.40 RBL 9.00 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-21-49-101-001-A01 AND WAS REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)