Qantas flight from Queenstown diverted to Christchurch over engine concern

According to SMH, a Qantas plane scheduled to fly from Queenstown, New Zealand, to Sydney, Australia, was diverted to Christchurch when the pilots detected a possible engine problem. The aircraft changed its course and landed in Christchurch, interrupting the original itinerary. Travelers on the flight were advised to await further instructions from the airline regarding onward travel. The incident highlights how airlines respond to technical concerns to maintain safety on regional routes.