As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3894 THE CREW REPORTED OUTBOARD FLIGHT SPOILERS CAUTION, MACH TRIM CAUTION CAME ON DURING CRUISE. CREW DECLARED EMERGENCY DUE TO FLIGHT CONTROL PROBLEM. AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. COMPLIED WITH OPERATIONAL CHECK AMM 27-81-00. NO DEFECTS NOTED IN SPOILER CONTROL SYSTEM. AIRCRAFT RETURNED TO SERVICE.