Space

We'll get to see the full list at some point, right?

Going off this snippet:

Corrective actions include redesigns of vehicle hardware to prevent leaks and fires, redesign of the launch pad to increase its robustness, incorporation of additional reviews in the design process, additional analysis and testing of safety critical systems and components including the Autonomous Flight Safety System, and the application of additional change control practices," the FAA said.

I'm curious how many of the changes were already works in progress but not quite ready for the first flight (like the showerhead).