As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PASSENGER CABIN SEAT RAIL ON LBL 9 HAS MULTIPLE SPOTS OF CORROSION, CHAFES, SCRATCHES AND/OR GOUGES BETWEEN APPROX. FS 394 AND APPROX. FS 469. (C-CHECK RO 4/22/2021) FABRICATED AND INSTALLED NEW LBL9 SEAT TRACK P/N SH670-32249-1 FROM FS394 TO FS469 USING EXTRUSION 20276-288-0-0A, PO# T58082, REF CRJ-700 SRM 53-00-49-201-002-A01 AND CRJ-700 AMM 53-00-49-400-801-A04