Special Conditions: General Electric Company, GE9X Engine Models; Endurance Test Special Conditions

These special conditions are issued for the General Electric Company turbofan engine models GE9X-105B1A, -105B1A1, -105B1A2, - 105B1A3, -102B1A, -102B1A1, -102B1A2, -102B1A3, and -93B1A. In these special conditions, the engine models will be referred to as ``GE9X.'' The engines will have novel or unusual design features associated with the engine design. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for these design features. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.