Investigations into Air New Zealand Dreamliner 'abnormalities'

Air New Zealand

Air New Zealand said problems with Rolls-Royce engines on its aircraft have forced the carrier to ground some global flights.

Two flights were forced to return to Auckland this week after mechanical trouble, local media reported.

The firm said some engines on its Boeing 787-9 fleet require maintenance following recent "engine events".

Japan's ANA and Britain's Virgin Atlantic have previously reported problems with the Trent 1000 engines.

Air New Zealand said it will be re-timing some worldwide flights and making a limited number of cancellations over coming weeks as a result of two recent events involving the Rolls-Royce engines on its Boeing 787-9 aircraft.

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Earlier this year, Rolls-Royce issued a service bulletin calling for increased inspections of the compressor's rotor section as an interim measure to address possible cracking in the intermediate pressure compressor of the engine while it develops a permanent fix.

Air New Zealand is to cancel some flights after a second engine fault on its Dreamliners.

The schedule changes are primarily affecting services to Houston, Shanghai, Buenos Aires and Perth, and the carrier says it is focused on securing replacement aircraft capacity.

And on Tuesday, the airline's flight to Tokyo Narita also returned to Auckland due to what the TAIC again said were "abnormal indications on one of the engines". The New Zealand Herald reported passengers experienced shaking and heard "weird noises" on the flight to Tokyo.

"Our investigation team is working closely with the airline, Civil Aviation Authority, engine-manufacturer Rolls Royce, and our colleague agencies in the United Kingdom and USA".

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