# NTSB Accident WPR11LA401
> **PIPER PA-31-310** · 2011-08-21 · Cabazon, CA, USA · NONE
## Event
- **NTSB number:** WPR11LA401
- **Event ID:** 20110822X11600
- **Type:** Accident
- **Date:** 2011-08-21
- **Location:** Cabazon, CA, USA
- **Coordinates:** 33.911945, -116.87889
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** PIPER
- **Model:** PA-31-310
- **Registration:** N1009S
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A total loss of left engine power due to the failure of the aft crankshaft counterweight retaining washer for reasons that could not be determined during postaccident examinations.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11LA401) · AI Analytics · CC0 1.0*