Qantas has declined to confirm speculation that its A380s will be out of service over the summer holidays.
"I know there's a lot of speculation on the timeframe for when the A380s will be up and running, but we didn't give that timeframe," Qantas spokesman Simon Rushton told AAP on Friday morning.
He confirmed that some A330 (A330) aircraft were replacing Boeing 747s on several Asian routes, freeing up the 747s to replace the A380 superjumbos on the long-haul routes to Los Angeles and London.
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"We are still working hard to get the A380s back up and running as soon as possible," Mr Rushton said.
Rolls-Royce has said it will issue an update on Friday about the progress of its investigations into the explosion of one of its Trent 900 engines on an A380 flight by Qantas out of Singapore on Thursday of last week.
Fairfax media have reported that Qantas' fleet of six A380s may be out of service over the summer holidays, because the airline's new schedule for international flights in coming weeks does not include these planes.
Meanwhile, the Qantas plane that made an emergency landing in Singapore reportedly was a "flying wreck" after huge chunks of metal tore through the fuel tanks.
News Limited on Friday said the aircraft's flight control systems and a wing were also badly damaged.
One of the jet's hydraulic systems was knocked out and totally drained of fluid, it said.
