well the problem is like he said he is the second owner, warranties usually dont transfer.
I would still give it a shot. Being that it is an issue due to manufacturing a lot of times it doesn't matter if he is the second owner. I've known a lot of companies to do work on their products if it is obvious that the issue was of their own fault. My buddy had a Xbox 360 that was 3 years old and never filled out the warranty for it and ended up getting the "red rings". Microsoft repaired it free of charge.
The worst they can say is no