# NTSB Accident CEN19LA251
> **Ryan NAVION** · 2019-07-27 · Chicago, IL, USA · NONE
## Event
- **NTSB number:** CEN19LA251
- **Event ID:** 20190806X52246
- **Type:** Accident
- **Date:** 2019-07-27
- **Location:** Chicago, IL, USA
- **Coordinates:** 41.783054, -87.745002
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** Ryan
- **Model:** NAVION
- **Registration:** N27AW
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the left main landing gear upper side brace assembly during landing due to reverse bending fatigue as a result of the incomplete penetration of the circumferential weld during initial production of the component.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN19LA251) · AI Analytics · CC0 1.0*