As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEAT TRACK AT LBL 9 HAS CORROSION FROM APPROXIMATELY FS490 TO 581. C-CHECK RO 11/3/2020. MULTIPLE TYPES OF CORROSION NOTED IN A GIVEN CROSS-SECTION ON SEAT TRACK AT LBL 9 FS 490-581, BEYOND LIMITS PER SRM. REMOVED LBL 9 SEAT TRACK BETWEEN FS 490-581, PER CRJ 700 AMM. INSTALLED NEW SEAT TRACK AT LBL 9 FROM APPROXIMATELY FS 490-581 P/N SH670-33426-1, PER CRJ 700 AMM. TOOL USED TUC8834 CAL 30-JUNE-21.