As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION: CORROSION ON SEAT RAILS RBL9 (4EA) BTW FS 477.40 TO FS 693.00 AT PASSENGER CABIN. SUMMARY: EVALUATED, DUE TO NOT PERMISSABLE DAMAGE ON SEAT RAILS RBL9 (4EA'S) BTW FS=477.00 TO FS=693.00 AT PASSENGER CABIN PER CRJ900 SRM53-31-49-101-001-A02 AND REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)