As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER SEAT RAIL ON RBL 9 BETWEEN FS 364.0 AND FS 399.0 IS CORRODED (C-CHECK) RO 2/04/2020 PASSENGER SEAT RAIL AT RBL9 FS 364.00 TO FS 399.00 FOUND TO BE OUT OF LIMITS. CORROSION DAMAGE IS 0.035" DEEP. ORIGINAL 0.115" REMAINING 0.080". MAX ALLOWABLE REMOVAL IS 0.020". IAW CRJ 200 SRM. USED DEPTH MIC AG1185, CAL: DEC2020. SEAT TRACK WILL BE REPLACED ON CAMP #20234255 W/C 1031