# NTSB Accident DCA05MA071
> **Bombardier, Inc. CL-600-2B19** · 2005-06-01 · Chicago O'Hare, IL, USA · SERS
## Event
- **NTSB number:** DCA05MA071
- **Event ID:** 20050929X01547
- **Type:** Accident
- **Date:** 2005-06-01
- **Location:** Chicago O'Hare, IL, USA
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 26
- **Total aboard:** 27
## Aircraft
- **Make:** Bombardier, Inc.
- **Model:** CL-600-2B19
- **Registration:** N417AW
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The opening of the service door when the airplane was pressurized.    Contributing to the accident was the captain's failure to ensure that one of the airplane doors was open while a ground-cooling cart was connected, which resulted in pressurizing the airplane on the ground.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DCA05MA071) · AI Analytics · CC0 1.0*