Diamondback wrote:
...There comes a point where things are the maintainers' responsibility not the builders--...
...and that point occurs at delivery to the airline- whose responsibility for airworthiness is federally mandated. Once the aircraft is added to the air carrier's Operations Specification (D085), it is their baby.
This occurrence, and many others, are not the fault of Boeing or the design. It is on the airline or operator.
_________________"To compel a man to furnish funds for the propagation of ideas he disbelieves and abhors is sinful and tyrannical." - Thomas Jefferson