ENG11WA039

NTSB incident investigation · Boeing 767 · Tokyo, Japan · July 8, 2011

Incident · No injuriesForeign investigation
Date
July 8, 2011
Place
Tokyo, Japan
Injuries
255 uninjured
Damage
No damage
Aircraft
JA8674Boeing 767
NTSB office
Aviation Engineering Division
Lead agency
Other
Case key
81121

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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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
Reported as
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