You discovered 2 serial numbers in the FAA database. There is a good likelihood one of the below listed registrations is the aircraft that created your interest in the first place. What you need to do now is examine the data for characteristics that might assist you in determining which aircraft is the object of your desire. Each registration number below is a link to all the details and potentially the telephone number(s) that might assist you.
Note, testing of this "serial lookup" feature is open to the public. Once testing is complete this time-saving feature will be available for Premium Members.
Aircraft Serial Number: 501-0030
||Model Group||Last Action
|Looking for something like: "Cessna CITATION I/SP"|
2 VIA SIENA PL
|AIR AMBULANCE BY AIR TREK INC|
3511 SILVERSIDE RD STE 105
* Note that registration is the only active field.