# NTSB ENG13WA010: Boeing 777-222, N206UA, Seoul, South Korea, South Korea, December 31, 2012

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: December 31, 2012
- Place: Seoul, South Korea, South Korea
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 85911
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG13WA010
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/85911/pdf
- Page: https://openairdocs.org/ntsb/ENG13WA010

## Factual narrative

On December 31, 2012, a United Airlines Boeing 777, registration number N206UA, experienced a No.1 (left)engine failure while passing through flight level (FL)250. The crew received an “ENG FAIL” Engine Indicating and Crew Alerting (EICAS) message. The Flight Crew declared an emergency and returned to the Incheon International Airport, Seoul, South Korea for an uneventful landing. Post landing inspection revealed metal fragments in the No. 1 engine chip detector. The REPUBLIC OF KOREA Aviation and Railway Accident Investigation Board Ministry of Construction and Transportation is investigating the accident. As the state of manufacture of the engines, the NTSB has designated a U.S. Accredited Representative under the provisions of Annex 13 to the Convention on Civil Aviation to assist ARAIB in their investigation. All inquiries concerning this accident should be directed to ARAIB at: REPUBLIC OF KOREA Aviation and Railway Accident Investigation Board Ministry of Construction and Transportation 281, Gonghang-Dong Gangseo-gu, Seoul Republic of Korea 157-815 Tel.: (82) 2 6096-1017 (82) 2 6096-1030 (24 hours) E-mail: byeonsc@moct.go.kr Fax: (82) 2 6096-1031 AFTN: RKSLYLYX Website: http://www.araib.go.kr

## Aircraft

- Registration: [N206UA](https://openairdocs.org/aircraft/N206UA), registered now, S/N 30212, built 1999 (OpenAirDocs)
- Reported make and model: BOEING 777-222
- Registry model: [Boeing 777-222](https://openairdocs.org/model/boeing-777-222) (registry code 1385219) (OpenAirDocs)
- Registry engine: [Pratt & Whitney PW4000 series](https://openairdocs.org/engine/pratt-whitney-pw4000-series) (registry code 52119, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 30212
- Engines: P&W PW4090 60000 lbs thrust turbo fan; P&W PW4000 SER 60000 lbs thrust turbo fan
- Damage: No damage
- Flight: Part 121
- Operator: United Air Lines Inc
- Registered owner: United Air Lines Inc
- Airworthiness certificate: Standard, Transport
- Departed: ICN, Seoul, South Korea
- Destination: NRT, Tokyo, Japan
- Flight plan: IFR
- Airport: ICN, Incheon 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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