As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAT - INFLIGHT DFW-MEX. CREW REPORTED AIRCRAFT VIBRATIONS ON THE FLIGHT CONTROLS. FLIGHT DIVERTED SAT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED FIRST OFFICERS STALL SHAKER AND STALL WARNING COMPUTER. SYSTEM GROUND CHECKED NORMAL OPERATION.