As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE STAB TRIM BECAME COMPLETELY INOPERATIVE, SPEED TRIM FAIL LIGHT ILLUMINATED. EMERGENCY DECLARED AND THE FLIGHT RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE ACCOMPLISHED A RESET OF FCC 1 AND 2 AND PERFORMED SATISFACTORY OPERATIONAL CHECK IAW AMM 22-11-00. NO FAULTS NOTED.