I just saw this and thought the information might be interesting to PS1/PSX pilots.
http://www.flightglobal.com/articles/2009/06/30/329046/faa-and-boeing-target-early-september-for-747-slat-fix.html
Apparently, a BA aircraft experienced uncommanded slat retraction after departing JNB and "came close to stalling" - yikes! The issue was traced to the slat retraction logic associated with thrust reversal.
- Stefan