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 477.00 TO FS 677.00 LBL 9.00 AT CABIN PAX. SEAT RAIL BTW FS 477.00 TO FS 677.00 LBL 9.00 AT CABIN PAX WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-31-49-101-001-A02 AND CRJ900 SRM 53-41-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)