Descripción:
N52DC was climbing through FL280 when the flight crew felt a 'violent shudder' in the airframe and observed indications of a left engine failure. Visual examination of the left engine revealed the fan section had separated (uncontained failure/tearaway). The airplane was landed without further incident. A post-accident examination of the parts revealed the fan disc failed catastrophically due to low cycle fatigue.
PROBABLE CAUSE: "Catastrophic failure of the left engine fan disc due to low cycle fatigue."
| Estado: | Accident investigation report completed and information captured |
| Fecha: | domingo 28 octubre 1990 |
| Hora: | 13:45 |
| Tipo: |  Dassault Falcon 50 |
| Operador: | Dow Chemical Company |
| Registración: | N52DC |
| Numéro de série: | 126 |
| Año de Construcción: | 1981 |
| Tripulación: | Fatalidades: 0 / Ocupantes: 2 |
| Pasajeros: | Fatalidades: 0 / Ocupantes: 0 |
| Total: | Fatalidades: 0 / Ocupantes: 2 |
| Daños en la Aeronave: | Considerable |
| Consecuencias: | Repaired |
| Ubicación: | cerca Parkersburg, WV ( Estados Unidos de América)
|
| Fase: | En ruta (ENR) |
| Naturaleza: | Ejecutivo |
| Aeropuerto de Salida: | Lewisburg-Greenbrier Valley Airport, WV (LWB/KLWB), Estados Unidos de América |
| Freeland-Tri City Airport, MI (MBS/KMBS), Estados Unidos de América |
N52DC was climbing through FL280 when the flight crew felt a 'violent shudder' in the airframe and observed indications of a left engine failure. Visual examination of the left engine revealed the fan section had separated (uncontained failure/tearaway). The airplane was landed without further incident. A post-accident examination of the parts revealed the fan disc failed catastrophically due to low cycle fatigue.
Probable Cause:
PROBABLE CAUSE: "Catastrophic failure of the left engine fan disc due to low cycle fatigue."
Accident investigation:
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Fuentes:
» NTSBSubsiguiente / acciones de seguridad
NTSB issued 1 Safety Recommendation
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Lewisburg-Greenbrier Valley Airport, WV to Freeland-Tri City Airport, MI as the crow flies is 698 km (436 miles).
Distance from Lewisburg-Greenbrier Valley Airport, WV to Freeland-Tri City Airport, MI as the crow flies is 698 km (436 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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