# NTSB DCA17WA154: Boeing 787-9, N29968, Fukushima, Japan, July 1, 2017

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Foreign investigation
- Date: July 1, 2017, 04:10 local (04:10 UTC)
- Place: Fukushima, Japan
- Coordinates: 36.632221, 140.377227 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.6322&lon=140.3772&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-descent: Clear air turbulence encounter](https://openairdocs.org/ntsb-events/362)
- Highest injury: Serious injuries
- Injuries: 1 serious, 261 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 95625
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA17WA154
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/95625/pdf
- Page: https://openairdocs.org/ntsb/DCA17WA154

## Sequence of events

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

- [Enroute-descent: Clear air turbulence encounter](https://openairdocs.org/ntsb-events/362) (defining event); cases with it: [Boeing 787-9, 1 case](https://openairdocs.org/ntsb-events/362/sequence.md?model=1385609), [All aircraft, 24 cases](https://openairdocs.org/ntsb-events/362/sequence.md)

## Factual narrative

The Japanese Transport Safety Board (JTSB) has notified the NTSB of an accident involving a Boeing 787-9 airplane that occurred on July 01, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the JTSB's investigation under the provisions of ICAO Annex 13 as the State of Manufacturer and Design of the airplane.All investigative information will be released by the JTSB.

## Aircraft

- Registration: [N29968](https://openairdocs.org/aircraft/N29968), registered now, S/N 60141, built 2016 (OpenAirDocs)
- Reported make and model: BOEING 787-9 (NO SERIES)
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (registry code 1385609) (OpenAirDocs)
- Registry engine: [GE GENX-1B74/75/ series](https://openairdocs.org/engine/ge-genx-1b74-75-series) (registry code 30222, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 60141
- Damage: No damage
- Flight: Part 121
- Registered owner: United Airlines Inc

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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