Singapore Airlines has grounded two Boeing 787-10 Dreamliners after checks found premature blade deterioration.
The aircraft, which are fitted with Rolls-Royce Trent 1000 TEN engines, have both been removed from service pending engine replacement.
The 1000 TEN is the latest version of an engine that has had a problematic entry into service.
As of late February, Rolls-Royce said 35 787s were grounded globally due to engine blades corroding or cracking prematurely, including some from Air NZ. The manufacturer said it was aiming to reduce the number to 10 by the end of the year.
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In February, Rolls-Royce put the cost of the engine issues at NZ$1.5 billion, contributing to a full-year operating loss of around NZ$3 billion.
Rolls-Royce said its engineers were already developing and testing an enhanced version of the turbine blade.
"We will now work closely with any impacted customers to deliver an accelerated program to implement the enhanced blade and to ensure that we can deliver on our Trent 1000 TEN future commitments," the company said.
Meanwhile, Japanese officials are investigating what they are calling a 'serious incident' involving a Dreamliner operated by JetStar.
On Friday, a flight from Cairns to Osaka Kansai struck problems on its final approach.
Local media reported the left engine rolled back, or slowed down for a few seconds - then shortly after, the right engine did the same thing, but for a much longer period.
The aircraft involved made a safe landing, but remains on the ground in Japan.