This is due to FRA requirements that all boiler tubes and flues on steam locomotives be replaced every 15 years , or 1472 days of operation .
In 2003 , the 587 's Federal Railway Administration 's ( FRA ) operating permit expired .
This is due to Federal Railway Administration requirements that all boiler tubes and flues on steam locomotives be replaced every 15 years , or 1472 days of operation .
In 2003 , the 587 's Federal Railway Administration 's ( FRA ) operating permit expired .