I recently had back and wrist surgery so I'm off the bike for a couple of months. In the mean time, I'm cleaning a friend's carbon frame Look bike. While waxing the frame, I felt a ripple in the paint on the top tube near the front lug. I then found these strange lines in the ripples. I advised the friend that he needed to take the bike to a LBS to have the frame inspected. Do these look like cracks in the frame? Thanks in advance for all the help.