Rego requests from 2003

[Ben C]

Hi, I'm hoping someone is able to help me find the rego or the aircraft of the following flights.

10/05/2003 DJ323. MEL-BNE
10/05/2003 DJ327. MEL-BNE

20/05/2003 DJ332. BNE-MEL
20/05/2003 DJ336. BNE-MEL
20/05/2003 DJ342. BNE-MEL

Thanks in advance, Ben