# NTSB Accident CHI91LA121
> **PIPER PA-28-161** · 1991-04-05 · SCHAUMBURG, IL, USA · MINR
## Event
- **NTSB number:** CHI91LA121
- **Event ID:** 20001212X16753
- **Type:** Accident
- **Date:** 1991-04-05
- **Location:** SCHAUMBURG, IL, USA
- **Coordinates:** 41.979682, -88.080574
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 3
- **Total aboard:** 4
## Aircraft
- **Make:** PIPER
- **Model:** PA-28-161
- **Registration:** N2366W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE MECHANIC'S NOT UNDERSTANDING THE IDENTIFYING MARKS ON THE REPLACEMENT PART.  A FACTOR IN THE ACCIDENT WAS THAT THE MECHANIC WAS PROVIDED WITH AN IMPROPER PART.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA121) · AI Analytics · CC0 1.0*