As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WITH AIRCRAFT ON STANDBY AT AIRPORT, AN UNCOMMANDED DEPLOYMENT OF THE RIGHT FLIGHT SPOILER OCCURRED. STATUS MESSAGE 'FLT SPOILERS' ON EICAS AND ON THE SYNOPTIC PAGE, RT SPOILER SHOWED TO BE AT 26 DEGREES. COMFIRMED VISUALLY. RIGHT HAND SPOILER LINK TO PCU FOUND DAMAGED. UNDER INVESTIGATION.