During take-off, a section of the left engine inlet separated from the aircraft. The crew conducted a fuel dump and returned the aircraft to Sydney with no injuries on board.
During the take-off roll, the crew received indications that the right engine had failed. The flight crew responded by discontinuing the take off.
Passing about 33,000 ft on climb, the No. 4 engine thrust reduced to about 45 per cent. The flight crew shut the No. 4 engine down. The aircraft returned to Los Angeles Airport and landed without further incident.
Operations at non‑controlled airports remain a safety watch priority for the ATSB. This occurrence highlights that traffic separation in that environment relies on a clear and shared plan between involved aircraft.
When landing, pilots should maintain a safety philosophy of “if in doubt, go around”.
This occurrence reaffirms that perceived or actual operational requirements should not be allowed to compromise safety.
On the evening of 16 August 2016, an AirAsia X Airbus A330, departed Sydney, NSW to Kuala Lumpur, Malaysia. As the aircraft was in cruise at flight level 380 and 445 km south-east of and tracking towards Alice Springs, the aircraft’s engine fault monitoring systems detected low oil pressure in the right engine. The investigation is continuing.