As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAIL LBL 9 BTW FS 581 TO 661+32 AND 661+32 TO 677 AT CABIN. SEAT RAILS LBL 9 BTW FS 581 TO 661+32 AND 661+32 TO 677 AT CABIN PAX WERE EVALUATED OUT OFF LIMITS AND SEAT RAILS WERE REPLACED PER CRJ-900 SRM 53-31-49-101-001-A02 AND CRJ-900 AMM 53-00-49-000-801 (CONFIG A12)