Originally Posted by Leightman
Great posts at 3:36 and 5:51 Evan.
"EASA issued the AD 2009-0012-E in January to address the fact that the faulty ADIRU could not be positively deactivated by the pushbutton, and might still be providing erroneous AoA data to other systems despite the illumination of the OFF light, and that the IR rotary switch needs to be selected to off as well."
Not even being able to easily turn the thing off doesn't exactly fill me with confidence.
Basically, you just have to keep pulling breakers until it can't sing the daisy song anymore.