Authorities say a Delta Air Lines flight from Tokyo to Oregon was searched upon landing after its crew found box cutter blades aboard.
Portland's KGW-TV reported the crew of Delta Flight 90 requested that authorities meet the aircraft upon arrival at Portland International Airport after the blades were found in the plane's cabin while the aircraft was en route to Oregon.
Delta spokeswoman Susan Elliott says the flight arrived without incident Tuesday morning.
FBI spokeswoman Beth Anne Steele says all 155 passengers and 10 crew members were interviewed while baggage and the plane were searched.
It was not immediately how the blades got on board.