As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA CREW REPORTED STAB TRIM MESSAGES DISPLAYED ON UPPER EICAS SCREEN & STAB TRIM LIGHT ILLUMINATED ON OVERHEAD PANEL. EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED THE LIMIT SWITCH & POSITION TRANSMITTER MODULE. SYS GND CHECKED NORMAL OPERATION CLOSED.