So as to the Smell advanced on it slowly, flooring is slat T&G Oak, really Thin like 3/16 to a 1/4" however previous owner or shop that installed did not remove the Sofa Cabinet to install, Old Vinyl still beneath the fixture.   Out came Utility Knife and SLASH and Tug the old vinyl came out.  Was last week, then came the repair of the Rotted Section of Trailer Subfloor beneath the Refrigerator.  Thought MAYBE roof Leak at Fridge roof vent, Nope.  Perhaps the screws in the Nose moldings or Fascia Panels of trailer Skins, Nope, a little digging thru the associated Installation guide came with trailer, a call to closest LQ dealer and found the Culprit.  Absorption Refrigerator Drain Hose.  Old one all but 2" Gone, did not ever have the Access Panel off for the Fridge as was Functioning for Cooling, not ever dawned could be leaking into Inside.

Replacement Hose Installed and routed, Fridge been Pulled and area beneath it well cleaned Disinfected with Lysol.  Similarly as removed Rotten Floor, Cleaned that with Bleach Water mix, allowed to dry then Lysol to that region.  Cut out the Hole to best material, sectioned in a 3/4" Wafer Board Flooring Grade piece then sealed it all up.  Installed Scab Pieces on Floor of Compartment, covered with 1/4" Luan to tidy up that storage area and had all reset by Wednesday.  Just awaiting Recovered Sofa and Dinette cushions to close out the work.

Ama Pretty Well Seasoned Wood Butcher of Occasion!!