On 12 November 2010, a Qantas Airways Boeing 767-338 airplane, registered VH-OGO, departed from Perth, Western Australia as flight QF768, a scheduled passenger service to Melbourne, New South Wales. Shortly after departure, the crew felt an engine vibration and heard popping. The engines are General Electric CF6-80C2. The captain elected to pull the #1 engine back to idle and subsequently requested a return back to Perth where the airplane landed without further incident. The investigation is under the jurisdiction of the government of Australia. Further information pertaining to this accident may be obtained from: Australian Transport Safety Bureau (ATSB) P.O. Box 967, Civic Square Canberra A.C.T. 2608 Australia Tel.: (61) 2 6274-6464 (61) 2 6257-4150 E-mail: atsbinfo@atsb.gov.au Fax: (61) 2 6274-6474 AFTN: ASCOYLYX Website: http://www.atsb.gov.au The ATSB case number for this event is 201007904. This report is for informational purposes only and contains only information obtained for, or released by, the Government of Australia.