# NTSB Accident DCA21LA229
> **BOEING 767-332** · 2021-09-01 · Seattle, WA, USA · SERS
## Event
- **NTSB number:** DCA21LA229
- **Event ID:** 20210927103969
- **Type:** Accident
- **Date:** 2021-09-01
- **Location:** Seattle, WA, USA
- **Coordinates:** 47.438408, -122.2997
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 37
- **Total aboard:** 39
## Aircraft
- **Make:** BOEING
- **Model:** 767-332
- **Registration:** N196DN
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** NITE
- **Weather:** VMC
## Probable cause

The flightcrew’s failure to set the hydraulic panel correctly during the execution of the pushback checklist, and when the hydraulic panel setting was corrected, that resulted in the airplane coming to a sudden stop and a flight attendant receiving a serious injury.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DCA21LA229) · AI Analytics · CC0 1.0*