As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVIDENCE OF CORROSION DETECTED ON L/H FLOOR SEAT TRACK LBL 9.00, SECTION THAT SPANS FROM F.S. 364.00 TO F.S 485.00 IN NUMEROUS LOCATIONS (MARKED). (C-CHECK) RO 3/2/2021 CORROSION ON L/H FLOOR SEAT TRACK LBL 9.00, FS 364.00 TO FS 485.00 FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK. REF CRJ-700 AMM 53-00-49-400-801 (CONFIG A03)