As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OTBD SPOILERONS AND OTBD FLT SPOILERS MESSAGE ON ACTIVATION OF FLIGHT SPOILERS IN FLIGHT. AIRCRAFT ROLLED LEFT. INTERROGATED MDC FOUND LT OTBD MFS PCU / PCU BINDING MDC MESSAGE. PERFORMED SPOST 1, RESET AND PERFORMED OPS CHECK IAW ETN CR-27-093 OPS CHECKED GOOD