# NTSB Accident CEN25LA093
> **ROBINSON HELICOPTER R22 BETA** · 2025-02-07 · Spearman, TX, USA · MINR
## Event
- **NTSB number:** CEN25LA093
- **Event ID:** 20250210199672
- **Type:** Accident
- **Date:** 2025-02-07
- **Location:** Spearman, TX, USA
- **Coordinates:** 35.99768, -101.1017
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R22 BETA
- **Registration:** N7191B
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Improperly torqued intake manifold bolts that allowed unmetered air to enter the engine, resulting in an overly lean fuel-air mixture, eventual failure of the No. 3 cylinder intake valve, and a total loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN25LA093) · AI Analytics · CC0 1.0*