Originally Posted by
Vendee
I'm reminded of the A340 ground incident at Toulouse during a high power engine run when the engineer pulled a CB to silence a noisy config warning. Unfortunately, the CB in question (ground proximity sensor) corrected the config error by putting the aircraft in a flight configuration, which meant releasing the parking brake. No chocks were fitted and the aircraft was destroyed.
Not quite correct ! Airbus park brake was not full pressure so on high power run you use one guy on toe brakes to get full pressure. However the ran all 4 engines at high power which no brake system will hold !