I think if the underwriter, assuming the aircraft is insured, takes a deep breath and then reflects upon the issue at hand; probably close to being a write off?
New prop ?, new or overhauled power turbine as a minimum, new firewall, new nose landing gear assembly?
Small issues; the real problem is; YA GOTTA TO HAVE AN ENGINEER …………. whom is capable of undertaking the task! Put it in a box send it to New Zealand, if you can find the money.