Problem in the Faucet

[Janio]

Hi my problem is when I open the water in the zinc faucet star to running normally after a few second the flow stop and star to dripping....yesterday I running the water with the pump and the flow was totally normal...
So I asume there two diferentes ways or hose for the way the water is supplied...how can I clean the hose who coming from the city water...with a diagram,,,color..please somebody help me

[Virginian]

I would first turn off the water at the outside supply, unscrew the hose from the outside, and check the filter screen at the RV. May have gotten debris in it.
May also make sure there is good flow at the water supply with the hose disconnected, and good flow through the hose when it's connected to the city water supply but disconnected from the RV.