# NTSB ENG17RA037: Boeing 777, Tokyo, Japan, September 5, 2017

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: September 5, 2017
- Place: Tokyo, Japan
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Defining event: [Takeoff: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 95969
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG17RA037
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/95969/pdf
- Page: https://openairdocs.org/ntsb/ENG17RA037

## Sequence of events

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

- [Takeoff: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341) (defining event); cases with it: [All aircraft, 3,820 cases](https://openairdocs.org/ntsb-events/341/sequence.md)

## Factual narrative

The Japan Transportation Safety Board (JTSB) has notified the NTSB of an incident involving a B777-300ER that occurred September 5, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the JTSB investigation under the provisions of ICAO Annex 13 as the State of Manufacturer and Design of the engine. All investigative information will be released by the JTSB.

## Aircraft

- Registration: JA743J (not matched to a registry record)
- Reported make and model: BOEING 777 (300)
- Category: Airplane

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.