What was found
DFW - UNCOMMON NOSE DOWN PRIMARY TRIM MOVEMENTS DURING FINAL APPROACH. PRIMARY STABILIZER TRIM DISCONNECTED. REPLACED PRIMARY STABILIZER TRIM DRIVE MOTOR. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - UNCOMMON NOSE DOWN PRIMARY TRIM MOVEMENTS DURING FINAL APPROACH. PRIMARY STABILIZER TRIM DISCONNECTED. REPLACED PRIMARY STABILIZER TRIM DRIVE MOTOR. SYSTEM GROUND CHECKED NORMAL OPERATION.