As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - CREW REPORTED DURING CLIMBOUT SPOILER LIGHT ON OVERHEAD AND EICAS MESSAGE. NO ROLL CONTROL PROBLEMS OR FLIGHT CONTROL ISSUES REPORTED. FLIGHT RETURNED BOS LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER 2 SPOILER POWER CONTROL MODULE. SYSTEM GROUND CHECK NORMAL OPERATION.