# NTSB ENG19WA016: Boeing 787, Osaka, Japan, March 29, 2019

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: March 29, 2019, 09:57 local (09:57 UTC)
- Place: Osaka, Japan
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Defining event: [Approach: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 99206
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG19WA016
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/99206/pdf
- Page: https://openairdocs.org/ntsb/ENG19WA016

## Factual narrative

On March 29, 2019, a Boeing 787, powered by two General Electric GEnx 1B64P2 turbofan engines and operated by Jetstar Airways, experienced a dual engine event while descending to land at the Kansai International Airport (RJBB), Osaka, Japan. During descent, the No. 2 (right) engine indications were reported to be unstable. Subsequently, the No. 1 (left) engine was reported to have lower thrust than commanded followed by the No. 2 engine having lower than commanded thrust. The Japan Transport Safety Board is investigation this event and the NTSB is participating as the US Annex13 Accredited Representative as the state of manufacturer of the airplane and engines.

## Sequence of events

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

- [Approach: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340) (defining event)

## Aircraft

- Registration: VH-VKJ (not matched to a registry record)
- Reported make and model: BOEING 787 (8)
- Category: Airplane
- Engines: General Electric GEnx 1B64 P2 turbo fan; General Electric GEnx 1B64 P2 turbo fan
- Damage: No damage
- Operator: Jetstar Airways
- Registered owner: Quantas
- Airworthiness certificate: Standard, Normal
- Departed: YBCS, Cairns
- Destination: RJBB, Osaka
- Flight plan: IFR
- Airport: RJBB, Kansai International Airport

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

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