The solution is actually quite elegant: a long tagged key required to open the door which remains in the lock until it's closed again. https://safetyfirst.airbu

The solution is actually quite elegant: a long tagged key required to open the door which remains in the lock until it's closed again. https://safetyfirst.airbus.com/preventing-fan-cowl-door-loss/ https://safetyfirst.airbus.com/preventing-fan-cowl-door-loss...