Event ENG11WA039

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. 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. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12