# NTSB Accident CEN15LA172
> **BEECH B19** · 2015-03-11 · Osage Beach, MO, USA · SERS
## Event
- **NTSB number:** CEN15LA172
- **Event ID:** 20150316X21312
- **Type:** Accident
- **Date:** 2015-03-11
- **Location:** Osage Beach, MO, USA
- **Coordinates:** 38.110553, -92.680557
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** BEECH
- **Model:** B19
- **Registration:** N774TA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the No. 4 piston wrist pin plug and the subsequent entry of its metal shavings into the oil system, which clogged the oil passages and caused the engine to seize. Contributing to the accident was the installation of engine parts that were not approved by the engine manufacturer.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN15LA172) · AI Analytics · CC0 1.0*