# NTSB Incident CHI96IA145
> **Boeing 727-222A** · 1996-04-28 · CHICAGO, IL, USA · MINR
## Event
- **NTSB number:** CHI96IA145
- **Event ID:** 20001208X05525
- **Type:** Incident
- **Date:** 1996-04-28
- **Location:** CHICAGO, IL, USA
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 135
- **Total aboard:** 136
## Aircraft
- **Make:** Boeing
- **Model:** 727-222A
- **Registration:** N7443U
- **FAR Part:** 121
- **Engines:** 3
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

a passenger disturbance that required the flight attendant to leave her seat.  A factor in this accident was the encounter with turbulence as the flight attendant was performing her assigned duties.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI96IA145) · AI Analytics · CC0 1.0*