Air New Zealand told Newsroom last night it was "extremely surprised by the two issues experienced this week".
Under their joint venture alliance established in January 2015, both airlines will continue to operate one daily return services each on the Singapore-Auckland route, with a third service operated by SIA during the winter season and by Air New Zealand in the summer season.
"Customers on this service are now booked to travel on an alternative service today".
Air New Zealand has been forced to ground some of its global flights after revealing some of the Rolls-Royce engines mounted had to be inspected.
Both incidents involved the engines during climb on takeoff from Auckland, forcing them to turn back.
However, an Air New Zealand spokesperson says these were two different aircraft.
Pictures supplied to Newsroom.co.nz show damage to the turbine blades on one of the plane's Rolls Royce engines.
Its chief commissioner Jane Meares said investigators were reviewing aircraft records, including flight recorders, examining the engines and interviewing flight crew.
"At this stage our investigation team is satisfied that all parties are doing the right things to ensure the continuing safety of the travelling public".
The commission say they're working closely with Air New Zealand, the Civil Aviation Authority and engine-manufacturer for Boeing Dreamliners Rolls Royce.
An investigation is underway after two Air NZ Dreamliner airplanes experienced engine abnormalities this week.
Customers are encouraged to check this first before calling the airline's contact centre.
"Rolls - which has more than 400 of the US$10m engines in service - has acknowledged the problems".
The company has said previously it expect to an improvement in earnings in the current financial year, compared with the 2016/17 result.
The Air New Zealand incidents have been reported worldwide, including on the BBC and by global agency Reuters.