Employer:      Urban Air Tutwiler LLC, operating as Urban Air Trussville                        3695 Roosevelt Blvd.                        Birmingham, AL 35235Investigation findings: U.S. Department of Labor Wage and Hour Division investigators found the Birmingham indoor adventure park allowed 36 minor-aged employees, under 16 years old, to work after 7 p.m. on a school night, after 9 p.m. in the summer, more than 3 hours on school days and more