When to replace jack socket for dsx-pc6 jumper module?

Jumper module Jack Socket , After using for a long time , Golden fingers will oxidize , Lead to test fail.
The official advice 5000 After the test , You have to replace the interface socket .
Some friends will have questions , I use the 10000 many times , The index test is still good , Do you need to replace it at this time ？ Can tell you clearly , No need to replace .5000 This is just an official suggestion , It does not mean that the interface must be replaced .
Or according to the actual use , To arrange whether to replace the interface , Maximize value .