As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LBL9 SEAT TRACK HAS CORROSION BETWEEN FS559+16 AND FS559+80 (C-CHECK) RO 2/25/2021. REMOVED AND REPLACED. NEW FLOOR SEAT TRACK P/N 601R31032-9 FROM LBL9 AT FS559-16 AND FS 559+80. REF REO 601R-53-00-485 REV -D, DATED 2018-01-29 AND CRJ200 AMM 53-01-11-400-802. TOOL# TUC5658 CAL DUE DATED 31-JUL-21.