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.
If you mean this one
Etih....A340 Toulouse then no. CBs had nothing to do with it.