# NTSB Accident WPR09LA166
> **REIMUS Sonex FR1** · 2009-03-25 · Paso Robles, CA, USA · SERS
## Event
- **NTSB number:** WPR09LA166
- **Event ID:** 20090325X75204
- **Type:** Accident
- **Date:** 2009-03-25
- **Location:** Paso Robles, CA, USA
- **Coordinates:** 35.672779, -120.626945
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** REIMUS
- **Model:** Sonex FR1
- **Registration:** N1006N
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A total loss of engine power during cruise flight due to the pilot/builder’s failure to follow the engine manufacturer’s maintenance instructions and apply the correct torque to the rocker arm nuts during maintenance.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09LA166) · AI Analytics · CC0 1.0*