Fuel pressure in the rocket's third - stage engine dropped suddenly for unknown reasons, causing the engine to shut down prematurely. (newscientist.com)
However, SpaceX shared a post regarding the Falcon Heavy first stage engine test on its official Twitter account. (techtimes.com)
The second stage engine burned for just under a minute to push TESS into its initial high elliptical orbit with a low point of 120 miles (200 kilometers) and a high point of 168,000 miles (270,000 kilometers) above Earth. (spaceflightinsider.com)