As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION DETECTED ON LT SEAT SIDE RAIL "TRACK" THAT SPANS FROM FS 482.50 TO FS 572.50 IN 7 PLACES, MARKED. C-CHECK RO 12/04/2020. REPLACED LT SIDE SEAT TRACK LOCATED FROM FS 482.5 TO 572.5 WITH FABRICATED TRACK, IAW CRJ 700 AMM. SEE CONTINUATION CARD FOR DETAILS.