As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB STAB TRIM WARNING INDICATION CAME ON. EMERGENCY WAS DECLARED RETURN TO AIRPORT.<[01] REMOVED AND REPLACED STAB TRIM MOTOR WITH NO HELP PER AMM 27-41-71.;[02] R&R?ED RELAY R64 PER IFIM TASK 22-11-00 AND SWPM 20-81-00. AND R&R?ED C840 (STAB TRIM ACTUATOR) CIRCUIT BREAKER PER SWPM 20-30-00. MEGGED AND RANG WIRING PER WDM 27-41-12 NO FAULTS FOUND AND OPS CHECKED GOOD PER AMM 27-41-71.