"It was described more as a whisper, as opposed to any sort of serious leak," he said.

"The fresh paint and the new carpet may be covering that serious leak in the wall," he said.

A plague of more serious leaks grounded the entire shuttle fleet for six months in 1990.

If you are unable to build pressure after several quick pumps, you may have a serious leak.

It is impossible to drive a train or truck with a serious leak in the air brake system.

While I rejected all these offers, there still were serious leaks.

At Derry the boilers were cleaned, which revealed a serious leak in one of them.

There have been serious leaks," said Syd, "during the past month.

I've heard that this kind of roof can develop serious leaks if its surface is damaged.

It was converted in the 1980s after serious leaks developed.