What was found
EWR---CO2095, CREW REPORTED, " UPON TAKEOFF, GEAR HANDLE MOVED UP, GEAR CAME UP WITH AURAL WARNING. CONTINUOUSLY SOUNDED." AIRCRAFT AIRTURNED TO EWR. MAINTENANCE REMOVED AND REPLACED LANDING GEAR MODULE IAW EMB145 MM #32-32-02. SWUNG LANDING GEAR AND CLEANED UPLOCK SWITCHES. OPERATIONAL TEST OF LANDING GEAR GOOD IAW EMB145 MM #32-30-00. AIRCRAFT RETURNED TO SERVICE.