ATSB: Manufacturing problem potential factor in recent A380 engine failure

The ATSB has issued a safety recommendation about potential engine problems in some Airbus A380 aircraft.

The ATSB is investigating an occurrence involving a Qantas A380 aircraft that experienced engine failure over Batam Island, Indonesia on 4 November 2010. The aircraft landed safely in Singapore having returned with the aircraft’s No 2 engine shut down. There were no injuries.

The ATSB has now issued a safety recommendation (AO-2010-089-SR-012) about potential engine problems in some Airbus A380 aircraft.

The safety recommendation identifies a potential manufacturing defect with an oil tube connection to the high-pressure (HP)/intermediate-pressure (IP) bearing structure of the Trent 900 engine installed in some A380 aircraft.

The problem relates to the potential for misaligned oil pipe counter-boring, which could lead to fatigue cracking, oil leakage and potential engine failure from an oil fire within the HP/IP bearing buffer space.

In response to the recommendation Rolls Royce, affected airlines and safety regulators are taking action to ensure the continued safe operation of A380 aircraft. The action involves the close inspection of affected engines and the removal from service of any engine which displays the suspected counter-boring problem.

 

 

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