If you want to know information about the previous owners of an aircraft:
Email info@caaf.org.fj
or write to attention of:
Senior Airworthiness Maintenance & Engineering Inspector,
Civil Aviation Authority of Fiji,
Private Mail Bag NAP 0354,
Nadi Airport,
Fiji
Providing as much details as possible to CAAF about the aircraft, and explaining the information required, will assist in the processing of your request more quickly than without guidance.