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 572.50 TO FS 674.50 AT 8 EA PLACES, MARKED. C-CHECK RO 12/04/2020. REPLACED SEAT TRACK LOCATED AT APPROXIMATELY FS 572.50-FS 674.50 WITH FABRICATED, REF CRJ-700 AMM. TUC7824 30-JUN-21.