What was found
CREW REPORTED THAT ON DEPARTURE, AFTER THE GEAR WAS SELECTED UP, AND HAD UP INDICATIONS THE GEAR SOUNDED LIKE IT WAS STILL DOWN. ACFT RETURNED TO DEPARTURE WHERE IT LANDED WITHOUT INCIDENT. MX INSPECTED THE ACFT AND R&R THE DOOR SEQUENCE PROXIMITY SWITCH, OPS TESTED WITH NO DEFECTS, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.