As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SIDE SEAT RAIL STGR 15 LH/RH BTW FS 379 TO FS 720.85. SIDE SEAT RAIL STGR 15 LH/RH BTW FS 379 TO FS 720.85 WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-21-49-101-001-A01, CRJ900 SRM 53-31-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)