# NTSB Accident WPR18LA030
> **VANDERARK RV-10** · 2017-11-12 · Sun Lakes, AZ, USA · NONE
## Event
- **NTSB number:** WPR18LA030
- **Event ID:** 20171112X42804
- **Type:** Accident
- **Date:** 2017-11-12
- **Location:** Sun Lakes, AZ, USA
- **Coordinates:** 33.242778, -111.926391
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** VANDERARK
- **Model:** RV-10
- **Registration:** N917VA
- **FAR Part:** 091
- **Engines:** —
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fatigue fractures of the upper and lower alternator attachment bolts, which decreased the common drive belt tension and resulted in the subsequent in-flight separation of an alternator drive belt, the overheating of the engine, and the subsequent total loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR18LA030) · AI Analytics · CC0 1.0*