What was found
CREW REPORTED THAT UPON TAKEOFF THEY RECEIVED A MESSAGE THAT THE LT MLG UNLOCKED ON BOTH PANELS DURING RETRACTION. THE CREW DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. THE ACFT LANDED WITHOUT INCIDENT. THE ACFT WAS REMOVED FROM SERVICE. COMPLIED WITH REMOVAL AND INSTALLATION OF CONTROL LEVER LATCH IAW EX-323181-OPT-10000, ALSO COMPLIED WITH NORMAL EXTENSION AND RETRACTION FUNCTIONAL TEST IAW JIC 32-31-00. TESTING FOUND TO BE SATISFACTORY. THE ACFT WAS RETURNED TO SERVICE.