# NTSB ENG11WA006: Boeing 777, Lisbon, Portugal, Portugal, December 6, 2010

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: December 6, 2010
- Place: Lisbon, Portugal, Portugal
- Highest injury: No injuries
- Injuries: 137 uninjured
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 77960
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG11WA006
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/77960/pdf
- Page: https://openairdocs.org/ntsb/ENG11WA006

## Factual narrative

On December 6, 2010, at 11:15 local time, an Angola Airlines (TAAG)Boeing 777-2M2ER, powered by two General Electric GE90-94B Turbofan engines experienced a No. 2 (right) engine low pressure turbine failure after takeoff from the Lisbon International Airport (LPPT), Portugal. Turbine blades were reported to have been expelled out the back of the engine over a populated area. The flight crew performed an air turn back and the airplane made a successful landing with no reported injuries. The airplane was on a flight from Lisbon to Luanda International Airport (FNLU), Angola. The investigation is under the jurisdiction of the government of Portugal. Further information pertaining to this incident may be obtained from: Gabinete de Prevençao e Investigação de Acidentes com Aeronaves (GPIAA) Praça Duque de Saldanha, n.˚ 31, 4˚ 1050-094 Lisboa Portugal Tel.: (351) 21 273-9230 (general) (351) 21273-9245 (director) E-mail: geral@gpiaa.gov.pt Fax: (351) 21 273-9260 AFTN: LPPTYLYX Website: www.gpiaa.gov.pt This report is for informational purposes only and contains only information obtained for, or released by, the Government of Portugal.

## Aircraft

- Registration: D2-TEF (not matched to a registry record)
- Reported make and model: BOEING 777 (2M2ER)
- Category: Airplane
- Serial number: 34567
- Engines: General Electric GE90-94B turbo fan
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: Angola Airlines
- Registered owner: Angola Airlines
- Airworthiness certificate: Standard, Transport
- Departed: LPPT, Lisbon
- Destination: FNLU, Luanda
- Flight plan: IFR
- Airport: LPPT, Lisbon International

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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