Complex sentence: The Liverpool wheel stopped operating, but the Plymouth and York wheels was able to continue under replacement operators, as both wheels were subject to finance arrangements with a secured creditor, who had repossessed them prior to the administrators being called in.
Split into simpler sentences: The Liverpool wheel stopped operating, but the Plymouth and York wheels was able to continue under replacement operators. Both wheels were subject to finance arrangements with a secured creditor, who had repossessed them prior to the administrators being called in.