Source: USGS Landsat Mission
On March 14, 2011, Landsat 5 experienced a minor anomaly. The spacecraft is currently operating normally, but it will take a few days to return the instrument to a nominal temperature. Data is expected to be available at the end of the week.
+ USGS Landsat Mission Website
Northrop Grumman recently signed agreements to license three technologies from NASA related to satellite servicing.