# NTSB Accident CHI08LA154
> **BEECH A36** · 2008-06-09 · Grand Rapids, MN, USA · NONE
## Event
- **NTSB number:** CHI08LA154
- **Event ID:** 20080627X00930
- **Type:** Accident
- **Date:** 2008-06-09
- **Location:** Grand Rapids, MN, USA
- **Coordinates:** 47.211112, -93.509719
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** BEECH
- **Model:** A36
- **Registration:** N7214Y
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of engine thrust due to the propeller separating from the aircraft as a result of fatigue failure of the propeller attachment bolts caused by the insufficient torque of the bolts during installation.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI08LA154) · AI Analytics · CC0 1.0*