As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEAT TRACK BETWEEN FS693 AND FS838 LBL 9 HAS MULTIPLE AREAS OF CORROSION. (C-CHECK RO 8/18/2021) REMOVED CORROSION AND FOUND REWORKED AREA OUT OF LIMITS. REPLACED SEAT TRACK AT LBL9 BETWEEN FS693-FS838 REF. CRJ-900 AMM 53-00-49-400-801-A07