As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE SPOTS OF CORROSION ON SEAT RAIL AT LBL 27 FROM FS477.40-FS693.00 (C-CHECK RO 5/22/2021) 2EA SEAT RAILS P/N SH670-33426-1 AND SH670-33463-1 WERE REMOVED AND REPLACED BY NEW ONES P/N SH670-33426-1 AND SH670-33463-1 IAW CRJ700 AMM 53-00-49-400-801-A03.