As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING CLIMB SPOILERS ENGINE INDICATING AND CREW ALERTING SYSTEM MESSAGE ON. NUMBER 10 SPOILER POSITION BLANK ON FLIGHT CONTROL SCHEMATIC. PILOTS EXPERIENCED BUFFETING. AIRCRAFT DECLARED AN EMERGENCY AND RETURNED TO ORD. REMOVED AND REPLACED NUMBER 10 SPOILER ELECTRO-MECHANICAL CONTROL UNIT PER AMM 27-61-18. ALL OPERATIONS CHECKS GOOD.