As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H SIDE SEAT RAIL HAS CORROSION FS785-FS847+14. (C CHECK RO 12-31-21) REMOVED AND REPLACED SIDE SEAT RAIL P/N: SH 670-36260-5 BETWEEN FS785.00 TO FS847.00+14 ON LEFTHAND SIDE IAW CRJ900 AMM 53-00-49-000-801-A07 AND CRJ900 AMM 53-00-49-400-801-A07