it happens to all of them, Emirates had an A-380 experiencing some strange electrical events early on during their arrival at the airline, tuned out to be some tool bouncing around in an electrical bay, I had a brand new A320 with some sort of shredded paperish stuff coming out of the vents around the CB panels on the rear cockpit walls, turned out to be some mis-installed insulation, and whatever tool used to install it..nice to see on million dollar machines