As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH PAX SEAT SIDE RAIL MOUNTING EXTRUSION HAS CORROSION BETWEEN FS785.15 AND FS797.00 (FLAGGED). (C-CHECK) RO 2/1/2021 CORROSION WAS 100% THROUGH,FOUND TO BE OUT OF LIMITS IAW CRJ 900 SRM 53-0-00-101-001-A01. REMOVED AND REPLACED CHANNEL ON JOB 91516154 OP 198 TRANS 21933637