Eh? The pin stops the lefty/righty. Not the upy/downy.
Back to the drawing board!
In 20 years on the job I have (unfortunately) seen/heard of 3 instances of nose gear down lock pins left in place for dispatch, thankfully not involving myself.
On all occaisons only nuisance value to the crew and pax alike for the ATB (no fuel dumps or over MLW conditions) but a thorough bullocking (in context of course) for the gingerbeer involved along with the ensuing embarassment. I imagine the tech crew had a fire side chat with the boss for missing it as well on their walkaround inspection.
However being a 747 it is "possible" to miss a fitted nose gear down lock pin due to its location along with some deft alignment of the holes in the cheese.
The high fuel uplift for sector adds to the drama.
Only speculating of course.
