Boeing Co (NYSE: BA) lost another 1.0% on Thursday after the FAA said it has launched a probe into the aerospace and defense company.Details of the FAA investigation announced todayCopy link to sectionThe Federal Aviation Administration is investigating whether Boeing “failed to ensure completed products conformed to its approved design”. It has also set out to discover if the New York listed firm did indeed make sure that its product was “in a condition for safe operation in compliance with FAA regulations ...