Aerolease Boeing 757-200PCF freighter N315ST MSN 22611 touched down at Christchurch 12 March 2018 from Honolulu via Apia. The jet departed Goodyear/AZ 10 March (USA date) for the short hop to Phoenix/AZ before embarking on the direct flight to Honolulu.
This airframe has had a somewhat varied life starting out in 1985 with Eastern Airlines with whom it operated until 1991. After that its been all over the place, check out http://www.b757.info/22611/
It was converted to a freighter back in May 2007 and at the conclusion of operations with DHL has been in storage at Goodyear since mid 2017.
Industry sources indicate the Boeing is destined for a Brisbane based operation.