Purchase your in-flight meals. Pay for your checked baggage. Buy your own blanket. There hasn't been much happy news in recent years for the flying public. But two words no flier ever wants to hear associated with an airline they're likely to travel with are "maintenance violations." In the past six years, the Federal Aviation Administration has levied more than $28 million in fines against over 25 airlines, which begs the question, just how safe is your plane?