As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RDU - FLT 2485 - AFTER TAKEOFF, EN ROUTE RDU-DFW, GEAR HANDLE WOULD NOT MOVE TO THE UP POSITION. CREW HAD TO DEPRESS THE LOCK OVERRIDE BUTTON TO RETRACT THE LANDING GEAR. RETURNED TO RDU AND LANDED WITHOUT INCIDENT. CLEANED LEFT MAIN LANDING GEAR TILT SENSOR. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)