First turn off the water,take off the nozzle from the outside of the house. Pull the pipe into the basement and repair leak, run pipe back outside and set nozzle.
Outdoor faucets can be very difficult to repair. Be sure to shut the water from inside the house then losen the vavle bonet and remove the vavle stem to access the washer. losen the washer and replace it reassemble the vavle stem and its complete.
Remove handle. Loosen center screw with screwdriver. Remove packing nut under handle. Turn counterclockwise. Take out stem washer off, replace it. Grease stem end. Reinstall stem, packing nut, handle.
Outdoor faucet is a repairable device. Outdoor faucet is a valve. It is mechanical thread or fastener on the outlet. Outdoor faucet baths, sinks and basins can be provided by separate hot and cold taps.