# NTSB ENG20RA002: Boeing 777, Bangkok, Thailand, October 20, 2019

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: October 20, 2019
- Place: Bangkok, Thailand
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Defining event: [Takeoff-rejected takeoff: Uncontained engine failure](https://openairdocs.org/ntsb-events/343)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- NTSB case key (mKey): 100467
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG20RA002
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/100467/pdf
- Page: https://openairdocs.org/ntsb/ENG20RA002

## Factual narrative

On October 20, 2019, a Thai Airways International Boeing 777-300ER, powered by two General Electric GE90-115B turbofan engines, aborted takeoff after experiencing a No. 1 engine high pressure turbine uncontainment failure during takeoff roll. The incident is being investigated by Thailand's Aircraft Accident and Incident Investigation Commission (AAIIC). The NTSB is participating in the investigation as the state of manufacture of the airplane and the engines.

## Sequence of events

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

- [Takeoff-rejected takeoff: Uncontained engine failure](https://openairdocs.org/ntsb-events/343) (defining event)

## Aircraft

- Registration: HS-TKL (not matched to a registry record)
- Reported make and model: BOEING 777 (300ER)
- Category: Airplane
- Serial number: 41521
- Engines: General Electric GE90 115BL turbo fan; General Electric GE90 115BL turbo fan
- Damage: Minor damage
- Fire: On-Ground
- Flight: Non-U.S., commercial
- Operator: Thai Airways International
- Airworthiness certificate: Standard, Transport
- Departed: BKK, Bangkok
- Destination: ZRH, Zurich

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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