As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - FLT 1442 - AFTER TAKEOFF DFW, NECESSARY TO USE LANDING GEAR OVERRIDED TO RETRACT LANDING GEAR. AIRCRAFT PROCEEDED TO STL AND LANDED WITHOUT INCIDENT. AIRCRAFT MAINTENANCE FERRY STL/ORD. REPLACED LT MAIN LANDING GEAR NR 3 GROUND/FLT PROXIMITY SENSOR. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)