As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SIDE SEAT RAIL BETWEEN FS 379 AND FS 485 AT STGR 15L IS CORRODED. REMOVED L/H SIDE SEAT TRACK F.S 379 TO F.S.485 IAW CRJ 900 AMM 53-00-49-000-801-A07. LOCATE, TRIM TO FIT DRILL AND INSTALLED NEW L/H SIDE SEAT TRACK F.S 379 TO F.S.485 IAW CRJ900 AMM 53-00-49-400-801-A07