# NTSB Accident CEN10FA291
> **BELL 222** · 2010-06-02 · Midlothian, TX, USA · FATL
## Event
- **NTSB number:** CEN10FA291
- **Event ID:** 20100602X63138
- **Type:** Accident
- **Date:** 2010-06-02
- **Location:** Midlothian, TX, USA
- **Coordinates:** 32.45861, -97.038887
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BELL
- **Model:** 222
- **Registration:** N515MK
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fracture of a swashplate drive pin as a result of hydrogen embrittlement due to an unknown source, which resulted in an in-flight breakup of the main rotor system during cruise flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN10FA291) · AI Analytics · CC0 1.0*