As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* LH SIDE SEAT TRACK HAS CORROSION MULTIPLE PLACES BETWEEN FS661+14 AND 669.40. (C-CHECK RO 5/25/2021) REMOVED AND REPLACED 1 EA NEW LH SEAT TRACK PER CRJ 900 AMM 53-00-49-400-801 (CONFIG A07) TOOL USED C-ID : TUC7824 CAL : 21-DEC-20 DUE 31-DEC-21.