# NTSB Accident WPR22LA177
> **PIPER PA-12** · 2022-05-14 · Enterprise, OR, USA · NONE
## Event
- **NTSB number:** WPR22LA177
- **Event ID:** 20220517105088
- **Type:** Accident
- **Date:** 2022-05-14
- **Location:** Enterprise, OR, USA
- **Coordinates:** 45.415963, -117.25115
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA-12
- **Registration:** N3960M
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The inadequate maintenance and inspection of the crankshaft expansion plug, which resulted in the separation of the expansion plug from the crankshaft and the subsequent loss of oil and windshield obstruction during departure.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR22LA177) · AI Analytics · CC0 1.0*