Tech found coil partially frozen and water leaking under drain pan. Customer has already been quoted secondary pan replacement. Tech recommended replacing trap with an EZ trap and insulating trap. Tech performed a leak search and found king valve leaking through the fitting. Fitting was loose. Tech quoted tightening fitting, fully backseating and putting teflon over threads and recharging. Tech performed recommended repairs and system is cooling, but tech does not recommend running system until secondary pan is replaced.Tech thoroughly searched coils and joints with no leaks.