# NTSB ENG11WA039: Boeing 767, Tokyo, Japan, July 8, 2011

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: July 8, 2011
- Place: Tokyo, Japan
- Highest injury: No injuries
- Injuries: 255 uninjured
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 81121
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG11WA039
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/81121/pdf
- Page: https://openairdocs.org/ntsb/ENG11WA039

## Analysis

On July 8, 2011, at 0920 Japan standard time, an All Nippon Airways Co., Ltd. Boeing 767-300 airplane, registered in Japan as JA8674, experienced turbine damage in the No. 1 (left) engine, a General Electric CF6-80C2. The airplane was climbing through 9,200 meters about 120 miles north-west of Tokyo-Haneda International Airport (HND) when there were abnormal noises and vibrations from the No. 1 engine. The engine was shutdown, the pilots declared an emergency, and the airplane returned to land at HND. There were no reported injuries to the 255 people on board the airplane. A post-flight borescope examination of the No. 1 engine revealed serious damage to the turbine blades. This investigation is under the jurisdiction of the Government of Japan. Further information pertaining to this incident may be obtained from: Director-General Secretariat of the Aircraft and Railway Accidents Investigation Commission Ministry of Land, Infrastructure and Transport 2-1-2, Kasumigaseki, Chiyoda-Ku Tokyo, 100-8918, Japan Telephone: +81 3 5253 8813 Fax: +81 3 5253 1677 This report is for informational purposes only and contains only information from or released by the Government of Japan.

## Factual narrative

On July 8, 2011, at 0920 Japan standard time, an All Nippon Airways Co., Ltd. Boeing 767-300 airplane, registered in Japan as JA8674, experienced turbine damage in the No. 1 (left) engine, a General Electric CF6-80C2. The airplane was climbing through 9,200 meters about 120 miles north-west of Tokyo-Haneda International Airport (HND) when there were abnormal noises and vibrations from the No. 1 engine. The engine was shutdown, the pilots declared an emergency, and the airplane returned to land at HND. There were no reported injuries to the 255 people on board the airplane. A post-flight borescope examination of the No. 1 engine revealed serious damage to the turbine blades. This investigation is under the jurisdiction of the Government of Japan. Further information pertaining to this incident may be obtained from: Director-General Secretariat of the Aircraft and Railway Accidents Investigation Commission Ministry of Land, Infrastructure and Transport 2-1-2, Kasumigaseki, Chiyoda-Ku Tokyo, 100-8918, Japan Telephone: +81 3 5253 8813 Fax: +81 3 5253 1677 This report is for informational purposes only and contains only information from or released by the Government of Japan.

## Aircraft

- Registration: JA8674 (not matched to a registry record)
- Reported make and model: BOEING 767 (300)
- Damage: No damage
- Flight: Non-U.S., commercial
- Registered owner: All Nipppon Airways
- Airworthiness certificate: Standard, Transport
- Flight plan: Unknown
- Airport: HND, Tokyo - Haneda International

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.

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