As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*PASSENGER CABIN SEAT TRACK LBL9 BETWEEN APPROXIMATELY FS847.0 AND FS985.0 HAS AREAS OF CORROSION. (MARKED) (C-CHECK) RO 2/13/2021 FABRICATED NEW FLOOR SEAT TRACK P/N SH670-37411-3 @ LBL9 APPROXIMATELY FS847.00 TO FS985.00, USING NEW TRACK STOCK P/N 20276-288-0-0A PO #T-55899 REF CRJ 700 SRM 53-00-49-201-002-A01.