The last LOD (LOD 5) of the objects listed below use textures that are corrupt/invalid which causes the buildings to "disappear" when the last LOD is displayed. As shown in this gif, the object disappears prior to the objects around them.
a3\structures_f\households\Stone_Small\i_Stone_HouseSmall_V1_F.p3d - a3\structures_f\households\Stone_Small\data\Stone_HouseSmall_v1_mlod_CO.paa a3\structures_f\households\Stone_Small\i_Stone_HouseSmall_V2_F.p3d - a3\structures_f\households\Stone_Small\data\Stone_HouseSmall_v2_mlod_CO.paa a3\structures_f\households\Stone_Small\i_Stone_HouseSmall_V3_F.p3d - a3\structures_f\households\Stone_Small\data\Stone_HouseSmall_v3_mlod_CO.paa
Mikero's DePax tool states that the texture Stone_HouseSmall_v1_mlod_CO.paa claims to have 15 entries for its MipMap, as opposed to the other 2048x2048 textures, which have 10 entries. This texture is also not openable with TexView.
The textures Stone_HouseSmall_v2_mlod_CO.paa and Stone_HouseSmall_v3_mlod_CO.paa both have a size of 0 bytes.