Here is the titanium app: https://github.com/joshmocekMovista/accessLabelBug
Once you build the app you will click on the elements. If you do this in Android the "Access Label" will change depending on what you click. In iOS it never changes and stays at "Nothing". Here is the 'doClick' function that is a click event on certain elements in the XML:
You will also notice when you build the app that the console in the function returns the object 'e', but it is missing the 'accessibilityLabel' property.