Détails:
Cruising at FL310, the no. 2 engine first stage turbine disc separated, causing an uncontained engine failure. Turbine debris penetrated the fuselage structure and caused depressurization. The pilot made an emergency descent and landed at Charleston.
PROBABLE CAUSE: "Engine and airframe failure were caused by the the separation of the first stage low pressure turbine disk. The disc interstage seal was installed inadequately, resulting in rubbing between the seal and disk, causing failure of the disk. Inadequate procedure by maintenance personnel are a contributing factor."
| Statuts: | Accident investigation report completed and information captured |
| Date: | jeudi 14 avril 1988 |
| Heure: | 09:45 |
| Type/Sous-type: |  Fokker F-28 Fellowship 4000 |
| Compagnie: | Piedmont Airlines |
| Immatriculation: | N110UR |
| Numéro de série: | 11182 |
| Année de Fabrication: | 1982-03-31 (6 years ) |
| Heures de vol: | 14441 |
| Equipage: | victimes: 0 / à bord: 6 |
| Passagers: | victimes: 0 / à bord: 56 |
| Total: | victimes: 0 / à bord: 62 |
| Dégats de l'appareil: | Substantiels |
| Conséquences: | Repaired |
| Lieu de l'accident: | Charleston, WV ( Etats-Unis d'Amérique)
|
| Phase de vol: | En vol (ENR) |
| Nature: | Transport de Passagers Nat. |
| Aéroport de départ: | Charlotte-Douglas Airport, NC (CLT/KCLT), Etats-Unis d'Amérique |
| Charleston-Yeager Airport, WV (CRW/KCRW), Etats-Unis d'Amérique |
Cruising at FL310, the no. 2 engine first stage turbine disc separated, causing an uncontained engine failure. Turbine debris penetrated the fuselage structure and caused depressurization. The pilot made an emergency descent and landed at Charleston.
Probable Cause:
PROBABLE CAUSE: "Engine and airframe failure were caused by the the separation of the first stage low pressure turbine disk. The disc interstage seal was installed inadequately, resulting in rubbing between the seal and disk, causing failure of the disk. Inadequate procedure by maintenance personnel are a contributing factor."
Accident investigation:
 |
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Sources:
» NTSBPhotos
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 Charlotte-Douglas Airport, NC et Charleston-Yeager Airport, WV est de 354 km (221 miles).
La distance entre Charlotte-Douglas Airport, NC et Charleston-Yeager Airport, WV est de 354 km (221 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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