As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED SPEED BRAKES DEPLOYED IN FLIGHT, NEG/DOWN TRIM EXPERIENCED WITH AUTO PILOT DISCONNECTED-TRIM UNCOMMANDED. MX AS PER ENGINEERING REMOVED AND REPLACED SPOILER CONTROL UNIT WITH OPERATIONAL CHECK GOOD. FAULT NO DUPLICATED. A/C WAS APPROVED FOR RETURN TO SERVICE.