Macbook bottom left uneven

For sometime now my Macbook Air 13 "2013 is not supported either the (Finest) left bottom Macbook making the right move or blow each hand that relies on that part, I've tried it in different places to rule other than the table was uneven, to emphasize that the Macbook is August and has not had extensive use. AASP should I take it to? Will the warranty cover? Thank you.