# NTSB Incident CHI95IA215
> **ATR 72-212** · 1995-07-10 · CHICAGO, IL, USA · MINR
## Event
- **NTSB number:** CHI95IA215
- **Event ID:** 20001207X03883
- **Type:** Incident
- **Date:** 1995-07-10
- **Location:** CHICAGO, IL, USA
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 64
- **Total aboard:** 65
## Aircraft
- **Make:** ATR
- **Model:** 72-212
- **Registration:** N440AM
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** NBRT
- **Weather:** VMC
## Probable cause

the flight attendant's failure to follow procedures which resulted in her inadvertently opening the main cabin door in flight. Factors associated with the incident were: the flight attendant's fatigue due to lack of sleep and a long duty day, interference with habit regarding the direction of motion of the door locking handle, and inadequate design of the door locking handle by the manufacturer.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI95IA215) · AI Analytics · CC0 1.0*