# NTSB Accident CEN18LA357
> **Grumman G164** · 2018-08-29 · Opelousas, LA, USA · NONE
## Event
- **NTSB number:** CEN18LA357
- **Event ID:** 20180829X81542
- **Type:** Accident
- **Date:** 2018-08-29
- **Location:** Opelousas, LA, USA
- **Coordinates:** 30.540832, -92.203613
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Grumman
- **Model:** G164
- **Registration:** N956X
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The loss of two securing bolts that allowed the left magneto to move around, which disrupted the spark timing and resulted in the engine losing total power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN18LA357) · AI Analytics · CC0 1.0*