# NTSB Incident WPR17IA173
> **COLUMBIA AIRCRAFT MFG LC41 550FG** · 2017-08-01 · Chandler, AZ, USA · NONE
## Event
- **NTSB number:** WPR17IA173
- **Event ID:** 20170731X32913
- **Type:** Incident
- **Date:** 2017-08-01
- **Location:** Chandler, AZ, USA
- **Coordinates:** 33.154167, -111.92694
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** COLUMBIA AIRCRAFT MFG
- **Model:** LC41 550FG
- **Registration:** N8725
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The over-tensioning of the accessory belt, which resulted in damage to the starter adapter and subsequent loss of oil that led to oil starvation and catastrophic engine failure.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR17IA173) · AI Analytics · CC0 1.0*