I'm not going to 'guess' about the above secret. In any event some facts:
https://www.nhindustries.com/website...ogram_180.html 29 Sep 2023
“...With reference to the accident involving an Australian MRH90 on 28th July, NHIndustries has already informed operators that it has not identified any information from the initial flight data analysis that relates to a failure, malfunction or defect linked to the aircraft design. NHI has not recommended any additional measures to be applied to the operating fleet. NHI will also offer a proposal to the Commonwealth of Australia to support the phasing out of the MRH90 fleet. This will produce a stock of parts for use by the other operators, who continue to successfully fly the aircraft worldwide....”
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04 Oct 2023 “...The Taipan fleet was already due to be retired no later than December of next year, and the defense department announcement notes that its decision “does not presuppose or any way suggest the outcome” of the investigation into that crash....”
https://breakingdefense.com/2023/10/...90-blackhawks/