According to Áine Fitzgerald reporter with Limerick Leader and contributor to national (Irish) newspapers:
Limerick rock star Dolores O’Riordan has been ordered to pay €6,000 to court poor box for air rage incident
Thanks to Sara from CranberriesItalia for the tip!
Source: Áine Fitzgerald Twitter
Just as i suspected… A slap on the wrist/ fine. Now lets get some new music out dolores!