Looks like they managed to fix her up...
http://www.thenzsource.com/air-new-z...maintenance-2/
Air New Zealand A320SL ZK-OXC, which has been under maintenance at Christchurch since a hard landing incident on 25th January, returned to service early this morning operating NZ500 Christchurch – Auckland.
Been on around/over a dozen flights since returning to service as well...
https://flightaware.com/live/flight/ZKOXC/history