What was found
HOU - FLT 3548 - UPON DEPARTURE, THE AIRCRAFT GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO HOUSTON SAFELY, MEL 32-3 ISSUED. AIRCRAFT WAS FLOWN TO DFW, REPLACED LANDING GEAR SELECTOR HANDLE THERE. PERFORMED OPERATIONAL CHECK IAW AMM 32-30. AIRCRAFT WAS RETURNED TO SERVICE. (M)