The FAA confirmed that the part found in the driveway of a Raleigh, North Carolina, home was a piece of a wing flap that belonged to Delta Flight No. 3247, a Boeing 737-900.

A family in Raleigh, North Carolina was in shock upon discovering a plane’s wing flap in their driveway Wednesday morning.

The FAA said it is working to determine if an aircraft part found in a Raleigh driveway belongs to a Delta 737.