# NTSB Accident WPR09LA373
> **GRUMMAN G164** · 2009-07-28 · Riverdale, CA, USA · MINR
## Event
- **NTSB number:** WPR09LA373
- **Event ID:** 20090728X85335
- **Type:** Accident
- **Date:** 2009-07-28
- **Location:** Riverdale, CA, USA
- **Coordinates:** 36.418334, -119.951942
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** GRUMMAN
- **Model:** G164
- **Registration:** N8741H
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The partial loss of engine power due to the failure of the engine's supercharger-blower.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09LA373) · AI Analytics · CC0 1.0*