As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING CLIMB OUT MACH ELECTRIC STAB TRIM FAILED. AUTOPILOT TRIM OK. EMERGENCY DECLARED; FLIGHT RETURNED TO MIA LANDING SAFELY. REMOVED AND REPLACED MAIN TRIM FLAPS RELAY R1192 PER SWPM 20-81-16. ACCOMPLISHED SATISFACTORY STABILIZER TRIM MOTOR TEST AT FLAP UNITS 1 AND 5 PER AMM 27-41-71-700-801.