As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RBL 9 SEAT TRACK MULTIPLE LOCATIONS BETWEEN FS 409+128 AND FS 559. C-CHECK RO 12/20/2020. REMOVED SEAT TRACK AT RBL 9 FS 409+128 TO FS 559. FABRICATED NEW USING NEW TRACK STOCK P/N 20276-288-0-0A PO NR T-55899 AND INSTALLED, REF REO AND CRJ200 SRM.