Spoke to customer upon arrival. Customer concerned about leak underneath kitchen sink. Found a leak coming from basket strainer. Basket strainer was crossed threaded. Also found no vent on kitchen sink. Gave customer estimate for whole sink re-piped to add automatic event and two new basket trainers. Customer just wanted to go with the basket strainer that was leaking. Replaced basket strainer. Reinstalled existing drainage. Tested to find no leaks at this time. Customer paid with card