Reports coming through the main media today that the rotorhead was not new as had been announced but was in fact a used one with 845 hours on it that had been sent back to the US manufacturer in 2011 for refurbishment.
In Japanese, but English translations should be appearing very shortly.
Pic.
https://headlines.yahoo.co.jp/hl?a=2...-soci.view-000
Article.
https://headlines.yahoo.co.jp/hl?a=2...00075-mai-soci