As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB, IB FLT SPOILER CAUTION MESSAGE GOT POSTED AND RT IB FLIGHT SPOILER FULLY DEPLOYED. DECLARED AN EMERGENCY AND LANDED. RT IB MULTI FUNCTION SPOILER PCU WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE. NOTE: DFDR ANALYSIS INDICATED THAT THE RT INBOARD MFS DID DEPLOY. THIS DFDR DOWNLOAD WILL BE PROVIDED TO MFG FOR REVIEW.