Plaintiff went with her son to the American Airlines terminal at JFK airport, New York, to take a flight to the Dominican Republic. After she checked her baggage she went to the security checkpoint. She presented her passport to a TSA employee at the checkpoint, but before going through the metal detector, plaintiff tripped over the upturned corner of a rug and fell forward, her arms, forehead and knees striking the floor. After the fall, American employees and TSA personnel helped her into a chair, rolled up the rug and put it in a corner.