Narrative:
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."
Forced landing on runway
| Status: | Accident investigation report completed and information captured |
| Date: | Thursday 14 April 1988 |
| Time: | 09:45 |
| Type: |  Fokker F-28 Fellowship 4000 |
| Operator: | Piedmont Airlines |
| Registration: | N110UR |
| MSN: | 11182 |
| First flight: | 1982-03-31 (6 years ) |
| Total airframe hrs: | 14441 |
| Crew: | Fatalities: 0 / Occupants: 6 |
| Passengers: | Fatalities: 0 / Occupants: 56 |
| Total: | Fatalities: 0 / Occupants: 62 |
| Aircraft damage: | Substantial |
| Aircraft fate: | Repaired |
| Location: | Charleston, WV ( United States of America)
|
| Phase: | En route (ENR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Charlotte-Douglas Airport, NC (CLT/KCLT), United States of America |
| Charleston-Yeager Airport, WV (CRW/KCRW), United States of America |
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:
 |
|
Classification:
Uncontained engine failureForced landing on runway
Sources:
» NTSBPhotos
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 Charlotte-Douglas Airport, NC to Charleston-Yeager Airport, WV as the crow flies is 354 km (221 miles).
Distance from Charlotte-Douglas Airport, NC to Charleston-Yeager Airport, WV as the crow flies is 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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