On the airplane - I think I remember that one!
If it's the one I remember, they did fix it. Cost something like $20M. It made it onto a 'big repairs' TV show where they also show things like replacing the azipods on cruise liners.
It was nearly $1M just to ship a replacement pressure cap. Dedicated repair team consisting of dozens of engineers for a month.
For about the last ten years of his career, my Dad was ad-hoc assigned as one of the engineers to a Boeing AOG team: Aircraft on Ground. Their job was to go where ever and perform field repairs, recovery or modifications to crashed or unserviceable aircraft. It is considered a pretty prestigious gig at Boeing.