The FAA says SpaceX is trying to determine if the debris found in Poland belonged to the Falcon 9 rocket's upper stage.
After dropping satellites, a Falcon 9 entered the atmosphere in an uncontrolled manner. SpaceX blames the crash on a fuel leak.
A SpaceX rocket stage fell to Earth early Wednesday morning (Feb. 19), blazing a trail of fire through European skies.
Poland said on Saturday it has been paying for Ukraine's Starlink subscription and will continue to do so despite sources saying the United States could consider cutting Ukraine's access to the satellite internet system.
Two space debris-related events that occurred this week point to how routine rocket launches can leave their mark on Earth.
It has made 391 landings since its launch in 2010, according to SpaceX. The company did not immediately respond to a request for comment on the debris found in Poland.
Parts of a Falcon 9 rocket have crashed to earth in an uncontrolled manner. An expert is concerned about the accumulation of incidents at SpaceX.