As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2105, AFTER LANDING, WHEN THE BRAKES WERE APPLIED, THE CAPTAIN'S SIDE SEAT MOVED TO THE FULL FORWARD POSITION. MAINTENANCE LUBRICATED CAPTAINS SEAT LOCK MECHANISM. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.