Beschrijving:
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."
| Status: | Accident investigation report completed and information captured |
| Datum: | donderdag 14 april 1988 |
| Tijd: | 09:45 |
| Type: |  Fokker F-28 Fellowship 4000 |
| Luchtvaartmaatschappij: | Piedmont Airlines |
| Registratie: | N110UR |
| Constructienummer: | 11182 |
| Bouwjaar: | 1982-03-31 (6 years ) |
| Aantal vlieguren: | 14441 |
| Bemanning: | slachtoffers: 0 / inzittenden: 6 |
| Passagiers: | slachtoffers: 0 / inzittenden: 56 |
| Totaal: | slachtoffers: 0 / inzittenden: 62 |
| Schade: | Groot |
| Gevolgen: | Repaired |
| Plaats: | Charleston, WV ( Verenigde Staten)
|
| Fase: | Kruisvlucht (ENR) |
| Soort vlucht: | Binnenlandse lijnvlucht |
| Vliegveld van vertrek: | Charlotte-Douglas Airport, NC (CLT/KCLT), Verenigde Staten |
| Charleston-Yeager Airport, WV (CRW/KCRW), Verenigde Staten |
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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Bronnen:
» NTSBFoto's
Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Charlotte-Douglas Airport, NC en Charleston-Yeager Airport, WV bedraagt 354 km (221 miles).
De afstand tussen Charlotte-Douglas Airport, NC en Charleston-Yeager Airport, WV bedraagt 354 km (221 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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