Air New Zealand A320 ZK-OJC, which has been under maintenance at Christchurch since 5th November, positioned Christchurch – Auckland this morningĀ as NZ6234, however just to the north of New Plymouth the aircraft turned back to Christchurch for further attention. During the afternoon the aircraft successfully positioned Christchurch – Auckland as NZ6234D then returned to service operating NZ705 Auckland – Sydney.