As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED MAIN ELECTRIC STAB TRIM FAILED WHILE CLIMBING OUT. QRH PROCEDURES ACCOMPLISHED AND UPON LANDING SPEED TRIM FAIL ILLUMINATED. EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED STAB TRIM MOTOR. SYSTEM GROUND CHECK NORMAL OPERATION.