As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT FLOOR SEAT TRACK NR 1 CORROSION FOUND TO BE OUT OF LIMITS ON AAR WO# 1007307-2700-0131 REQUIRES REPLACEMENT. REMOVED AND REPLACED LT SEAT TRACK NR 1 IAW CRJ 900 AMM 53-00-49-400-801 AS ON AAR WO# 1007307-2700-0139 AND MESA WO# 711009503.