As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LBL 9 SEAT TRACK HAS SPOTS OF CORROSION FROM FS 581 TO 677. C-CHECK RO 11/3/2020. MULTIPLE TYPES OF CORROSION NOTED IN A GIVEN CROSS-SECTION ON SEAT TRACK AT LBL 9 FS 581.00 TO 677.00, BEYOND LIMITS PER SRM. REMOVED LBL 9 SEAT TRACK BETWEEN FS 581.00 TO 677.00, PER CRJ 700 AMM. INSTALLED NEW SEAT TRACK AT LBL 9 FROM APPROXIMATELY FS 581.00 TO 677.00 P/N SH670-33425-3, PER CRJ 700 AMM. TOOL USED TUC8834 CAL 30-JUNE-21.