Water pump on 36CC

When I run the water in the galley sink, it pulsates when coming through the tap. It doesn't matter whether it is hot or cold, it still pulsates. The same is not true when I run the water in the bathroom sink, as it runs smoothly.  Is this pulsating normal please, and something I just haven't noticed before, or is it something I should be worried about?  I'd be grateful for your help.