Originally Posted by
barrymung 
If all Pitot tubes are essentially identical, why have airbus stated they need replacement?
There's either a slight difference in design or a problem with manufacture, which means that these new probes are (apparently) less likely to fail.
Not having read the SB or AD I don't know.
Unless I misremember somebody has already established that the difference between the most recent update and its predecessor involved icing on the ground, not in the air. If so this is a dead horse issue.
{o.o}