As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAILS LBL9 (3 EAS), LBL27 (2 EAS) AND RBL9 (5 EAS) BETWEEN FS447.40 TO FS693.00 AT PASSENGER CABIN. CORROSION ON SEAT RAILS LBL9 (3 EAS), LBL27 (2 EAS) AND RBL9 (5 EAS) BETWEEN FS447.40 TO FS693.00 AT PASSENGER CABIN WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND EVALUATED WITHIN LIMITS PER CRJ900 SRM 53-31-49-101-001-A02 FIGURE 53-31-49-991-806