Détails:
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."
| Statuts: | Accident investigation report completed and information captured |
| Date: | dimanche 28 octobre 1990 |
| Heure: | 13:45 |
| Type/Sous-type: |  Dassault Falcon 50 |
| Compagnie: | Dow Chemical Company |
| Immatriculation: | N52DC |
| Numéro de série: | 126 |
| Année de Fabrication: | 1981 |
| Equipage: | victimes: 0 / à bord: 2 |
| Passagers: | victimes: 0 / à bord: 0 |
| Total: | victimes: 0 / à bord: 2 |
| Dégats de l'appareil: | Substantiels |
| Conséquences: | Repaired |
| Lieu de l'accident: | près de Parkersburg, WV ( Etats-Unis d'Amérique)
|
| Phase de vol: | En vol (ENR) |
| Nature: | Affaires |
| Aéroport de départ: | Lewisburg-Greenbrier Valley Airport, WV (LWB/KLWB), Etats-Unis d'Amérique |
| Freeland-Tri City Airport, MI (MBS/KMBS), Etats-Unis d'Amérique |
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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Sources:
» NTSBOpérations de secours
NTSB issued 1 Safety Recommendation
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Photos
Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Lewisburg-Greenbrier Valley Airport, WV et Freeland-Tri City Airport, MI est de 698 km (436 miles).
La distance entre Lewisburg-Greenbrier Valley Airport, WV et Freeland-Tri City Airport, MI est de 698 km (436 miles).
Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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