Eight months after Nevada City Police Officer Shane Franssen was brought back to the department as the part-time foot patrolman dedicated to the downtown historic district, he has been upgraded to a full-time officer. “I can’t describe what it means to get back on full time,” Franssen said. “It’s a huge relief.” Franssen, who initially joined the force as a part-timer in 2003, was cut from the force over a year ago with the expiration of a grant that had funded two officer positions. To help pay bills, Franssen waited tables at Lefty’s Grill, a Nevada City restaurant. Franssen’s full-time …