Quite a lot still needs to be done. If they have not been fitted already it will require the new bladder tanks. Also the blades that have been changes are they -7s? If not they may need to be changed due to the blade AD.
Also the engine needs to come out so the frames can be removed and the skids which need to be sent away for crack detection. Also you will need a to cover everything mentioned in the following inspection
http://www.robinsonheli.com/manuals/r44_mm/r44_mm_2.pdf
You would have to pay me money to list everything that is required.