# NTSB DCA23WA385: Airbus A330-941, N407DX, Seoul, South Korea, July 27, 2023

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Class 5 · Foreign
- Date: July 27, 2023, 06:40 local (06:40 UTC)
- Place: Seoul, South Korea
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Medical event](https://openairdocs.org/ntsb-events/850)
- Highest injury: Minor injuries
- Injuries: 1 minor, 258 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- NTSB case key (mKey): 192745
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA23WA385
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/192745/pdf
- Page: https://openairdocs.org/ntsb/DCA23WA385

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute-cruise: Medical event](https://openairdocs.org/ntsb-events/850) (defining event); cases with it: [Airbus A330-941, 1 case](https://openairdocs.org/ntsb-events/850/sequence.md?model=3940314), [All aircraft, 63 cases](https://openairdocs.org/ntsb-events/850/sequence.md)

## Aircraft

- Registration: [N407DX](https://openairdocs.org/aircraft/N407DX), registered now, S/N 1957, built 2020 (OpenAirDocs)
- Reported make and model: AIRBUS A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (registry code 3940098) (OpenAirDocs)
- Registry engine: [Rolls-Roy TRENT-7000-72](https://openairdocs.org/engine/rolls-roy-trent-7000-72) (registry code 54605, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 1957
- Year built: 2020
- Damage: No damage
- Flight: Part 121
- Operator: Delta Air Lines
- Registered owner: Umb Bank Na Trustee
- Airworthiness certificate: Standard, Transport
- Departed: Seattle, WA
- Destination: Same as departure
- Flight plan: IFR

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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