Bushbandit.... WTF??
Did you read the CAA report?
Werent the facts above clear enough?
When the driveshaft breaks beacause it was assembled wrong I dont think you call it pilot error.
And the developing trend, certainly in Australia, in these sort of cases is prosecution and jail time for the people responsible.
Big lesson...If youre a supervising LAME youd better have your **** together.