As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON PASSENGER SEAT RAILS RBL9 AND LBL9 BTW FS 661.00+90 AND 693.00 AT PASSENGER CABIN. DUE TO EXCESIVE CORROSION AT SEAT TRACK 9RBL AND 9LBL OF FS 661 TO FS 693 AT PASSENGER CABIN WERE REPLACED PER CRJ-900 SRM53-21-49-101-001-A01 AND CRJ-900 AMM 53-00-49 (CONFIG A07)