Boeing era al corrente delle problematiche della rimozione di parti ben prima dell’incidente del 737-9 Alaska. Articolo (fuori paywall) di Aviation Week
" Removal of the plug to repair five adjacent rivets required formal documentation in Boeing’s Common Manufacturing Execution System (CMES). None was prepared, Boeing determined."
“It is not clear why the retaining bolts were not re-installed, where the hardware ended up, or who was last to touch the MED plug after the work was finished and the aircraft delivered to Alaska in October 2023.”