It is already a few year ago. I did go back after the first time. The problem was intermittent and hard to reproduce. So I received it back and came to the conclusion that they did not fixed it.
The shop in Gent is quite a distance from home and at that time it was no option for me to go back.
It's a pitty. I never played the guitar much although my friend has the same guitar and he is quite pleased with it.
Do you have any suggestions so I can fix it myself? thanks in advance