As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CAPTAIN'S MAIN ELECTRIC STABILIZER TRIM FAILED INTERMITTENTLY WHEN AIRBORNE. DECESION MADE TO RETURN TO MIA. EMERGENCY DECLARED AND AIRCRAFT LANDED WIHTOUT INCIDENT. MAINTENANCE ACCOMPLISHED T/S. REMOVED AND REPLACED CAPT'S STAB TRIM CONTROL SWITCH (S134) IAW AMM 27-41-97. ACCOMPLISHED STAB TRIM CONTROL SWITCH TEST IAW AMM 27-41-97. OPS CHECKED GOOD. STAB TRIM OPS CHECKED GOOD IAW AMM 27-41-00.