As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW NOTED A PARTIAL RIGHT INBOARD SPOILER DEPLOYMENT DURING CRUISE FLIGHT. THERE WAS FULL RIGHT INBOARD SPOILER DEPLOYMENT ON FINAL APPROACH. ON GROUND, THE SPOILERS WERE NORMAL. THERE WERE NO INDICATIONS OR CAUTION LIGHTS DURING CRUISE OR APPROACH. THE LANDING WAS UNEVENTFUL. THE AIRCRAFT IS CURRENTLY DOWN FOR MAINTENANCE AND THE SDR WILL REMAIN OPEN PENDING FINAL CORRECTIVE ACTION.