As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION: CORROSION ON SEAT RAILS OF RBL9 BTW FS349.00 TO FS720.85. (6EA). SEAT RAILS OF RBL9 BTW FS349.00 TO FS720.85. (6EA) WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-41-49-101-001-A02 AND WERE REPLACED PER CRJ-900 AMM 53-00-49(CONFIG A12)