As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST OFFICER`S SEAT SHORTED OUT, SPARKED WITH SOME SMOKE, MOVED ON PREFLIGHT. VISUAL INSPECTED & FOUND FIRST OFFICER`S SEAT ELEC CABLE EVIDENCE OF SPARK NEAR RT SIDE SEAT CORNER. R & R FIRST OFFICER`S SEAT & FUNCTIONAL CHECK OK IAW AMM 25-11-01-4. ACFT OK FOR SERVICE. UPDATE TO DAMAGE PHOTO.