many of us with similar models have the same issues, I saw some in mine today after some moderate rain and road water... comes in by being thrown up by the wheels thru areas not sealed properly, and sometimes by the doors not providing the best type of seal for water flowing down the side of the coach and over/into the door edges.
'14 Palazzo 33.3 bunkhouse 34' diesel
KingTailgater2 Dish HD, 100w/5a SOLAR, BlueOx
100,000+mi since '14 - US, Alaska, Canada.... formerly GA, then AL, now back to north Georgia! : )