As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAILS OF RBL9 BTW FS349.00 TO FS 693.00 (5EA). SEAT RAILS OF RBL9 BTW FS349.00 TO FS 693.00 (5EA) WERE FOUND OUT OF LIMITS PER CRJ-900 SRM 53-2149-101-001-A01,SRM 53-31-49-101-001-A02 AND SRM 53-41-49-101-001-A02. REPLACED PER CRJ-900 AMM 53-00-49(CONFIG AL2).