http://www.msnbc.msn.com/id/42015889/ns/travel-news/
Could I possibly have been the first person to have reported this?
The claim is that it will prevent terrorists from igniting it to create a bomb.
From the article:
"According to the FAA, the airlines completed disabling the oxygen generators in the lavatories of all 6,000 U.S. aircraft on March 4. The FAA said in a statement released Thursday that it delayed informing the public about this action because it was concerned about keeping travelers “as safe and secure as possible.”"