As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
** SUPPLEMENTAL INFORMATION ** PRIOR TO FLIGHT, CREW REPORTED LEFT SPOILERON NOT MOVING WITH FLIGHT CONTROL INPUT. MAINTENANCE PERSONNEL DISCOVERED TWO ROLL PINS SHEARED ON THE AILERON-ROLL SPOILER MIXER ASSEMBLY. THE SPOILER MIXER ASSEMBLY WAS REPLACED.