As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIMARY TRIM INOP. REPLACED STAB ELECTRONIC CONTROL MODULE AND REPLACED WITH INSPECTED CONTROL MODULE MM 27-40-00. PERFORMED STABILIZER TRIM, PRIMARY AND SECONDARY SPLIT TRIM SWITCH FUNCTIONAL CHECK. NO DEFECTS NOTED. MX PERFORMED MM 27-40-00.