As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAIL ON RBL27 BTW FS927.00 TO FS1031.00 AT PASSENGER COMPARTMENT INTERNAL STRUCTURE.
SEAT RAIL ON RBL27 BTW FS927.00 TO FS1031.00 AT PASSENGER COMPARTMENT INTERNAL STRUCTURE. ARE OUT OF LIMITS PER CRJ-900 SRM 53-51-49-101-001-A02 THEREFORE WERE REPLACED PER CRJ-900 AMM 53-00-49 (CONFIG A12)