# NTSB Accident CEN15LA239
> **AYRES CORPORATION S2R G6** · 2015-05-20 · Tivoli, TX, USA · MINR
## Event
- **NTSB number:** CEN15LA239
- **Event ID:** 20150520X71702
- **Type:** Accident
- **Date:** 2015-05-20
- **Location:** Tivoli, TX, USA
- **Coordinates:** 28.392221, -96.893333
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** AYRES CORPORATION
- **Model:** S2R G6
- **Registration:** N3300U
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the fuel control unit due to the worn stub shaft spline, which resulted in an engine overspeed. Contributing to the accident was maintenance personnel's inadequate inspection of the fuel control unit.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN15LA239) · AI Analytics · CC0 1.0*