Safety Assumptions

  • Aircraft hydraulic system (critical system) isolation was acceptable for uncontained engine debris in the event of an engine failure.

  • The defined inspection techniques for rotors produced using the double VAR process was adequate to identify defects and prevent catastrophic failures due to metallurgical defects.

  • The combination of airplane level safety strategies for system isolation and segregation, together with engine level blade containment and rotor integrity, provides an adequate level of protection.

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