Q&A

 Master

That can be quite an inspection process, have someone sit inside and run water hose around w/s and vents to see if anything comes in, inspect for door seal probs, pull carpet back and look for any place water can come in. I saw a piece of equipment that would help magnify either internal noise or external noise and another person would listen with headphones for source where noise was either coming in or escaping. Good luck. Remember that the water can enter on d/s and move across and drop on p/s floor.