@mountainbear
their decision to return was wrong
.....no bear, guess nobody here will question that the decision to return was wrong....but to switch the aircraft into
EMER ELEC CONFIG...obviously without need...see above...was wrong
btw: in my career I had at least 5x AVNCS SMOKE without actual smoke. no findings, except for poor filter quality , which were installed at this time. anyway those filters are very sensitive in creating an ECAM signal.
Maybe Airbus trusts the pilots eyes and noses more than it's installed AVNCS SMOKE sensors
and for this reason:
if perceptible smoke