I did a quick search but I found no such problem. The problems I found had the creaking on the front, near and around the touchpad, which I do not. On the bottom left hand side of my Macbook Pro, there is a creaking/popping sound as if the aluminum is extremely thin and bendable. When I push the part I hear a hollow pop and I feel the aluminum indents a tiny bit. The sound is driving is crazy. Is this normal or is there something wrong with my MBP?