As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* ABOVE FLOOR SEAT RAIL ON LBL9 BETWEEN FS581.00 & FS661.00+32.00 CORRODED IN MULTIPLE AREAS (MARKED) (C-CHECK RO 8/18/2021) REMOVED CORROSION AND FOUND SEAT TRACK OUT OF LIMITS REF CRJ-900 SRM 53-31-49-101-001-A02. REPLACED SEAT TRACK REF CRJ-900 AMM 53-00-49-400-801-A07