# NTSB Accident ERA22LA241
> **EVEKTOR-AEROTECHNIK AS SPORTSTAR** · 2022-05-21 · Lancaster, OH, USA · NONE
## Event
- **NTSB number:** ERA22LA241
- **Event ID:** 20220525105131
- **Type:** Accident
- **Date:** 2022-05-21
- **Location:** Lancaster, OH, USA
- **Coordinates:** 39.70847, -82.60392
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** EVEKTOR-AEROTECHNIK AS
- **Model:** SPORTSTAR
- **Registration:** N503RK
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The improper installation and subsequent failure of the pushrod O-rings, which resulted in failure of the No. 4 connecting rod due to oil starvation.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA22LA241) · AI Analytics · CC0 1.0*