As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RH SIDE SEAT TRACK BTW FS 379.00 - FS 677.00 (6 EAS) AT PASSENGER CABIN. RIGHT SIDE SEAT TRACK BTW FS 379.00 - FS 677.00 AT PASSENGER CABIN WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-21-49-101-001-A01 AND WERE REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)