As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - ON POST FLIGHT WALK AROUND NOTICE LEFT UPLOCK WHEEL BEARING IS STUCK TIGHT. REMOVED & REPLACED LEFT UPLOCK ROLLER IAW DASH-8 Q 400 AMM TASKS 32-31-21-000-802 32-31-21-400-802. LEFT UPLOCK ROLLER MOVES FREELY NOW, NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.