F-22 Raptor Maintenance Error Costs USAF $6.7M Due to Missing Procedure Step

A missed step in F-22 Raptor maintenance procedures at Hill Air Force Base resulted in a $6.7 million loss when a landing gear pin was not removed before flight, causing engine damage. The incident highlights the critical importance of comprehensive procedural documentation and the potential for XML-based content management systems to improve documentation and checklist processes in aviation maintenance.