The NTSB released detail pictures of the skin section on Jul 16th and said, that visual examination did not reveal significant corrosion or any obvious pre-existing mechanical damage. The fractures are suitable for further analysis. A detailed metallurgical examination will be performed in the following days. The hole in the skin measures approximately 12 inches by 8 inches (30cm by 20cm), the skin is about 0.032 inches (0.8mm) thick with an additional layer of another 0.032 inches (0.8mm) thickness bonded to interior surface in selected areas. The airline is now going to repair the airplane.
