As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLT DIVERT. AFTER REACHING CRUISE FL 350 THE STAB OUT OF TRIM LIGHT ILLU WITH B A/P ENGAGED. POM PROCEDURE FOUND ELEC TRIM INOP. UP AND DOWN STAB TRIM SW TO OVERRIDE, NO HELP. DISCUSSIONS WITH CHIEF PILOT AND ATL/MTC DIVERTED TO PHX. DURING DESCENT PASSING FL 200 NORMAL STAB TRIM OPERATION REGAINED. REPLACED STAB TRIM MOTOR.