A Pennsylvania man was arrested at JFK Airport for trying to board a plane with a loaded gun and brass knuckles.
TSA officials say officers found the weapons in the man's jacket as it passed through the X-ray machine Wednesday morning.
The man, who was flying to Los Angeles, was arrested on weapons charges.
He could face up to $11,000 in civil penalties from the TSA.
The agency says this is the third firearm officers at JFK discovered this year.