It's actually the other way around warbirdnerd. It was originally BuNo.92471 (ex-Salvadoran Air Force) returned to the US as a complete but derelict aircraft back in the early 1970's. The best major components from other FAS hulks (tailcone & wings, etc) were swapped onto 92471's center section to provide for the best possible project prior to recovery. It then became BuNo.92433 during it's restoration back to airworthiness.
With the change of management at the NHC, I hope we'll be able to discuss the details of such things without the apprehensions of the past, deserved or not. Not that it matters, since 'Marine's Dream' is in no more jeopardy of any kind of "confiscation" than the dozen or so Corsairs that came out of Honduras shortly thereafter. The Navy has no right of ownership to the plane, and as Jerry said, the assignment of a valid Bureau Number to a legitimate "collection of mismatched parts" is an extremely common occurrance in the warbird business. It's a basic data plate restoration, but they used actual Corsair parts.

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Rob Mears
'Surviving Corsairs' Historian
robcmears@yahoo.comhttp://www.robmears.com