This is the best summary I could come up with:

A SpaceX Falcon 9 rocket suffered an upper stage engine failure and deployed a batch of Starlink internet satellites into a perilously low orbit after launch from California Thursday night, the first blemish on the workhorse launcher’s record in more than 300 missions since 2016.

Elon Musk, SpaceX’s founder and CEO, posted on X that the rocket’s upper stage engine failed when it attempted to reignite nearly an hour after the Falcon 9 lifted off from Vandenberg Space Force Base, California, at 7:35 pm PDT (02:35 UTC).

A second burn with the upper stage engine was supposed to raise the perigee, or low point, of the rocket’s orbit well above the atmosphere before releasing 20 Starlink satellites to continue climbing to their operational altitude with their own propulsion.

Ars has asked the Federal Aviation Administration, which licenses all commercial space launches in the United States, if it will require SpaceX to complete a mishap investigation before resuming Falcon 9 flights.

Some customers, especially NASA’s commercial crew program, will likely want to see the results of an in-depth inquiry, and require SpaceX string together a series of successful Falcon 9 flights with Starlink satellites before clearing their own missions for launch.

A first stage engine failure on the fourth Falcon 9 launch in 2012 prevented the rocket from deploying a secondary payload into the correct orbit, but SpaceX was still able to complete the primary mission of delivering cargo to the International Space Station.

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