It means that they are less available for operations. They spend more time being repaired.
On February 14th, 2007. See this statement in context.
On February 14th, 2007. See this statement in context.
February 14th, 2007 / 4:55 p.m.
Auditor General of Canada, Office of the Auditor General of Canada
It means that they are less available for operations. They spend more time being repaired.
See context to find out what was said next.