Aer Lingus flight EI127 diverted to Gander due to technical issue

An Aer Lingus flight EI127 from Dublin (DUB) to Toronto (YYZ) diverted to Gander (YQX) due to a technical issue.

The aircraft involved, Airbus A321-253N, registration EI-LRE, has no other record in our database at the time of publication.