As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CMH-MDW - FLT 1492 - AIR TURNBACK, MAIN ELECTRIC HORIZONTAL STABILIZER TRIM SYSTEM INOPERATIVE IN THE NOSE DOWN POSITION. ACFT RETURNED TO CMH AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE STAB TRIM LIMITS SWITCH PER MM 27-41-101. GROUND OPS CHECK NORMAL IN BOTH NOSE UP AND NOSE DOWN MODES. ACFT RETURNED TO SERVICE. (W)