What was found
CREW REPORTED, LANDING GEAR AIR/GROUND FAIL CAUTION LIGHT ON TAKEOFF, LANDING GEAR LEVER WOULD NOT RETRACT AIRCRAFT AIR RETURNED TO BOSTON, AIRCRAFT MAINTENANCE FERRIED TO BTV, MAINTENANCE REMOVED AND REPLACED LANDING GEAR CONTROL MODULE IAW EMB145 AMM #32-32-02, OPS.CHECKED GOOD.