# NTSB Accident BFO88FA036
> **FOKKER F28 MK 4000** · 1988-04-14 · CHARLESTON, WV, USA · MINR
## Event
- **NTSB number:** BFO88FA036
- **Event ID:** 20001213X25412
- **Type:** Accident
- **Date:** 1988-04-14
- **Location:** CHARLESTON, WV, USA
- **Coordinates:** 38.349407, -81.630821
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 8
- **Uninjured:** 54
- **Total aboard:** 62
## Aircraft
- **Make:** FOKKER
- **Model:** F28 MK 4000
- **Registration:** N110UR
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## 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.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=BFO88FA036) · MORVS · CC0 1.0*