As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAILS FROM STA 847 TO 977, RBL9. SEAT RAIL FROM STA 847 TO 977, RBL 9 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-51-49-101-001-A02 AND WAS REPLACED PER CRJ900 SRM 53-00-49-201-002-A01 AND PER CRJ900 AMM 53-00-49 (CONFIG A12).