As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: CORROSION ON SEAT RAILS OF LBL9 BTW FS364.00 TO FS708.00. FLOOR SEAT RAILS OF LBL9 BTW FS364.00 TO FS708.00 (5EA) ARE OUT OFF LIMITS PER CRJ-900 SRM 53-21-49-101-001-A01,SRM 53-31-49-101-001-A02 AND SRM 53-41-49-101-001-A02 AND REPLACED PER CRJ-900 AMM 53-00-49 (CONFIG A12) AND PER CRJ900 AMM 20-21-00-910-801-A01