SpaceX must figure out what happened on Flight 9 of its Starship megarocket, during which the vehicle's second stage made an uncontrolled reentry over the Indian Ocean.

FAA requires SpaceX to investigate Starship Flight 9 mishap

Source: space
Source Link: https://www.space.com/space-exploration/launches-spacecraft/faa-requires-spacex-to-investigate-starship-flight-9-mishap