The question is how often this failure will occur when the pilots fail to turn off the switch. Given that the 737 Max 8 and 9 are currrently flying with this d

The question is how often this failure will occur when the pilots fail to turn off the switch. Given that the 737 Max 8 and 9 are currrently flying with this defect and no damage has been reported, let alone failures, the actual likelihood of catastrophic failure is clearly low.