DV
The point you make about the fault being well known about by the IPT is void.
This WAS a well known fault only by the implementation of the UTI and inspections being carried out to find other faults, that is what a UTI is there for.
If it had of been known about beforehand then there would have been structured maintenance in place to rectify such a problem before any aircraft was released for flight.
The fact the IPT are saying (if your information is correct) that it was well know could very well have been from the inspections carried out all in one day, once they are found of course they know about it because we report any faults straight to the IPT.