Summary
A cargo flight operating between Hartford and Charlotte crashed after suffering an uncontrolled descent. The pilot reported technical problems to air traffic control during night cruise. The aircraft lost 2,000 feet before entering an uncontrolled descent and impacting a field. The pilot sustained serious injuries.
Accident Details
While in normal cruise at night, the pilot informed ATC about technical problems. Shortly afterward, the aircraft lost 2,000 feet of altitude and entered an uncontrolled descent. The aircraft eventually crashed in a field. The pilot was seriously injured. The flight was a cargo operation from Hartford to Charlotte.
Probable Cause
The official probable cause is an uncontrolled descent and subsequent crash due to engine structure issues. Contributing factors reported include: engine tearaway, engine structure issues with mount and vibration isolators, material failure, separation in flight, pilot reported pitchup with autopilot off (recovered with light g load), and right engine inbound mount pulled out.
Conclusion
The investigation determined the cause of the accident was related to engine structure failures leading to an uncontrolled descent. The pilot's report of pitchup and recovery with light g load was noted. No additional contributing factors were specified beyond those listed.