QUOTE
• A failure which results in some particular component remaining active, but the functionality it provides is in error. An example of this failure would be a Low Range Radio Altimeter whose output is indicating the airplane is at an altitude 500 ft above the ground when the airplane is actually 200 ft above the ground.
Fire Truck May Have Run Over Asiana Plane Crash Victim
http://www.nbcbayarea.com/news/local/Fire-Truck-May-Have-Run-Over-Asiana-Plane-Crash-Victim-214546021.html?_osource=SocialFlowFB_BAYBrand
How horrible.