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 RBL 9 HAS MULTIPLE SPOTS OF CORROSION, CHAFES, SCRATCHES AND/OR GOUGES BETWEEN APPROX. FS 501 AND APPROX. FS 565. (C-CHECK RO 4/22/2021) FABRICATED AND INSTALLED NEW SEAT RAIL RBL9 P/N SH670-33426-1 USING EXTRUSION 20276-288-0-0A PO# T58082 FROM FS501 BETWEEN APPROX. FS 501 AND APPROX FS 565 REF CRJ-700 SRM 53-00-49-201-002-A01 AND CRJ-700 AMM 53-00-400-49-801-A03