Engineers said they might moving the start of shuttle Discovery.

In the right shunting engine shuttle was discovered helium leak. Engineers will try to eliminate breakage at the launch complex. If they fail to do so will have to move the shuttle in a special workshop room, and then the specialists will not have time to complete work by April 5.

It was planned that the «Discovery» go to the ISS on March 18, but NASA experts decided to postpone the launch due to too much cold weather. Engineers feared that the low temperatures will damage the shuttle engines.

Shuttle launch the seven astronauts and a new multi-purpose transport module Leonardo. Inside the module will be available berths for the crew, racing simulators, a new laboratory freezer and experimental equipment. Also in the cargo bay of the Discovery will be a reservoir for ammonia, which the shuttle crew will install the ISS. Total astronauts must perform three EVAs.