# NTSB Accident CHI91LA173
> **GULFSTREAM AMERICAN AA1A** · 1991-05-28 · EVANSVILLE, IN, USA · SERS
## Event
- **NTSB number:** CHI91LA173
- **Event ID:** 20001212X16966
- **Type:** Accident
- **Date:** 1991-05-28
- **Location:** EVANSVILLE, IN, USA
- **Coordinates:** 37.969043, -87.569076
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** GULFSTREAM AMERICAN
- **Model:** AA1A
- **Registration:** N5675L
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE FAILURE BY MAINTENANCE PERSONNEL TO IDENTIFY THE PROPER REPLACEMENT CYLINDER.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA173) · AI Analytics · CC0 1.0*