BLUE BIRD IS RECALLING 23,464 MY 2005 THROUGH 2009 ALL AMERICAN AND VISION SCHOOL AND TRANSIT MODEL BUSES MANUFACTURED FROM JANUARY 22, 2004, AND MARCH 28, 2008, AND MY 2004 THROUGH 2007 ALL AMERICAN SCHOOL BUSES AND CONVENTIONAL MODEL SCHOOL BUSES MANUFACTURED FROM MARCH 6, 2003, THROUGH JUNE 16, 2006. THE RIVET PATTERN MAY BE INCORRECT IN SECTIONS OF THE REAR ROOF SHEET JOINT THAT ATTACHES TO THE REAR ROOF CAP. WITHOUT THE APPROPRIATE AMOUNT OF ROOF RIVETS, THE BUSES FAIL TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO 221, “JOINT STRENGTH.”