Hi some of the files you need can be found at trainzland.ru, in the search box enter the following:
<kuid2:190624:94420:1> This is the Class 442 engine
<kuid2:190624:54426:1> this is the Class 442 horn
<kuid2:190624:84420:1> this is the Class 442 interior
<kuid2:190624:53442:1> this is the 5WES Sound
Hope this helps.
Dave