Customer has a water leak in basement: At arrival she showed me where the water was on the basement floor behind the washing machine on Saturday night. She showed me the trap that the washing machine dumps into. At arrival the ground is completely dried up with no active water leaking. * I removed the cap off the vent pipe for the trap on the washing machine waster: poured (4) gallons of water- all water draining no leaks * secured cap back onto top of vent * i tested all drainage in home: ran all sinks, showers, tubs, flushed all toilets and check for any water leaking in basement- nothing found * I checked behind the border up walls to see if the floor was wet or anything leaking- nothing * i the ran and tested the washing machine on HOT as the customer believed it stated to leak * the washer went threw a full cycle and drained all water without a single drop leaking from anywhere * the customer has not had water leaking since Saturday night but has been running a heater behind the