# NTSB Accident CEN11LA370
> **BELL 47G-3B-1** · 2011-05-25 · Lakeville, MN, USA · SERS
## Event
- **NTSB number:** CEN11LA370
- **Event ID:** 20110606X12931
- **Type:** Accident
- **Date:** 2011-05-25
- **Location:** Lakeville, MN, USA
- **Coordinates:** 44.669681, -93.23941
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** BELL
- **Model:** 47G-3B-1
- **Registration:** N96SH
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The loss of engine power due to a loose B-nut on the compressor discharge pressure bleed line.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN11LA370) · AI Analytics · CC0 1.0*