What was found
THE CREW REPORTED AN INTERMITTENT SPOILER FAIL MESSAGE IN FLIGHT WITH AN ODOR OF BURNED PLASTIC. ACFT LANDED WITHOUT INCIDENT. MX INSPECTED ACFT, ADJUSTED THRUST LEVER SWITCHES, OPS TESTED WITH NO DEFECTS, INSPECTED FOR BURNED OR DAMAGED COMPONENTS WITH NO DEFECTS NOTED AND NO BURNED PLASTIC ODOR NOTED, AND ACFT APPROVED FOR RETURN TO SERVICE.