The FAA says Horizon Air operated 186,189 aircraft with improper rivets . The airline made 22 flights while the planes were `` unairworthy , '' the Horizon Air says . The agency is proposing a $ 1 million civil penalty against the regional carrier . FAA says it believed the rivets were OK , `` at no time was passenger safety compromised ''
The FAA says Horizon Air operated 22 aircraft with improper rivets . The airline made 186,189 flights while the planes were `` unairworthy , '' the FAA says . The agency is proposing a $ 1 million civil penalty against the regional carrier . Horizon Air says it believed the rivets were OK , `` at no time was passenger safety compromised ''