# NTSB DCA25WA324: Boeing 737-824, N39297, Osaka, Japan, September 12, 2025

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Class 5 · Foreign
- Date: September 12, 2025
- Place: Osaka, Japan
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-descent: Fire/smoke (non-impact)](https://openairdocs.org/ntsb-events/150)
- Highest injury: Minor injuries
- Injuries: 2 minor, 159 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 201002
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA25WA324
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/201002/pdf
- Page: https://openairdocs.org/ntsb/DCA25WA324

## Sequence of events

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

- [Enroute-descent: Fire/smoke (non-impact)](https://openairdocs.org/ntsb-events/150) (defining event); cases with it: [Boeing 737-824, 1 case](https://openairdocs.org/ntsb-events/150/sequence.md?model=13844BZ), [All aircraft, 504 cases](https://openairdocs.org/ntsb-events/150/sequence.md)
- [Taxi-from runway: Evacuation](https://openairdocs.org/ntsb-events/460); cases with it: [Boeing 737-824, 1 case](https://openairdocs.org/ntsb-events/460/sequence.md?model=13844BZ), [All aircraft, 103 cases](https://openairdocs.org/ntsb-events/460/sequence.md)

## Aircraft

- Registration: [N39297](https://openairdocs.org/aircraft/N39297), registered now, S/N 34003, built 2005 (OpenAirDocs)
- Reported make and model: BOEING 737-824
- Registry model: [Boeing 737-824](https://openairdocs.org/model/boeing-737-824) (registry code 13844BZ) (OpenAirDocs)
- Registry engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 34003
- Year built: 2005
- Engines: CFM INTL. CFM56 SERIES turbo fan; CFM INTL. CFM56 SERIES turbo fan
- Damage: No damage
- Flight: Part 121
- Operator: United Airlines
- Registered owner: Umb Bank Na Trustee
- Airport: RJBB, Kansai International Airport

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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