quote from news.com.au :
Qantas ordered to inspect oxygen bottles | The Daily Telegraph
QANTAS has been ordered to urgently inspect every oxygen bottle aboard its fleet of 30 Boeing 747s after a mid-air explosion forced a jumbo to make an emergency landing in the Philippines on Friday.
The Civil Aviation Safety Authority (CASA) expects the inspections to begin by tomorrow and be finished within a few days.
CASA spokesman Peter Gibson said Qantas would be asked to check each oxygen container and the brackets holding the containers.
"It will be a visual inspection and it is a precautionary step," Mr Gibson said.
"The inspection will take a couple of hours for each plane so it will take a few days to do them all."