What was found
ACFT RETURNED TO DEPARTURE, DURING CLIMB, THE MLG DID NOT RETRACT; SO FLIGHT CREW ACCOMPLISHED THE QRH 14.16 PROCEDURE, CONFIRMING THE FAILURE. ACFT WAS SENT TO THE HANGAR AND MX PERSONNEL PERFORMED A REVISION DETECTING THE MANUAL EXTENSION ACCESS DOOR SWITCH S1060 OUT OF ADJUST IAW MM 32-34-00; SO THE SWITCH S1600 WAS ADJUSTED AND TESTED IAW MM 32-34-00 AND MM 32-32-00, ALL CORRECT.