# NTSB Incident CHI97IA075
> **de Havilland DHC-8-102** · 1997-01-22 · CHARLESTON, WV, USA · NONE
## Event
- **NTSB number:** CHI97IA075
- **Event ID:** 20001208X07264
- **Type:** Incident
- **Date:** 1997-01-22
- **Location:** CHARLESTON, WV, USA
- **Coordinates:** 38.349269, -81.630729
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 11
- **Total aboard:** 11
## Aircraft
- **Make:** de Havilland
- **Model:** DHC-8-102
- **Registration:** N852MA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

a fractured fusion weld in the piston of the roll spoiler servoactuator, which allowed the plug at the base of the piston to separate and jam the piston.  A factor relating to the incident was: the inadequate design of the airplane's roll spoiler servoactuator piston.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI97IA075) · AI Analytics · CC0 1.0*