Lordflasheart
10691149]..
Actually, it's something that has been going on for a lot longer than the above type.
The initial deliveries of the 767 resulted in a lot of fuel pump failures until the problem was traced to swarf in the fuel tanks notably the centre tank. The Boeing reps we worked with at the time, both a credit to Boeing and themselves, really nice people and very professional engineers, were " somewhat scathing " as to the calibre of those recently hired to build the aircraft.
To be fair, Boeing subsequently imposed a far more intensive QC and inspection regime after which, no more fuel pump failures,