As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LBL 9 SEAT TRACK AT APPROXIMATELY FS 379. C-CHECK RO 11/3/2020. MULTIPLE TYPES OF CORROSION NOTED IN A GIVEN CROSS-SECTION ON SEAT TRACK AT LBL 9 FS 379, BEYOND LIMITS PER SRM. REMOVED LBL 9 SEAT TRACK APPROX FS 379, PER CRJ 700 AMM. INSTALLED NEW SEAT TRACK LBL 9 AT APPROXIMATELY FS 379 P/N SH670-32249-3, PER CRJ 700 AMM. TOOL USED TUC8834 CAL 30- JUNE-21.