Arik Air is not listed on the "orders" list.
Wrong.
http://active.boeing.com/commercial/orders/index.cfm?content=customerselection.cfm&pageid=m15524
Customer Summary Through July 2010
Model Series Eng First Order Orders Deliveries Unfilled First Delivery
Arik Air (NIGERIA)-Total 29 2 27
737-800 CF 06-Sep-2007 14 2 12 28-Oct-2009
737-900ER CF 06-Sep-2007 3 - 3
737 Total 17 2 15
777-300ER GE 30-Mar-2007 5 - 5
777 Total 5 - 5
787-9 GE 30-Mar-2007 7 - 7
787 Total 7 - 7
Customer Total 29 2 27
Model Series Eng First Order Orders Deliveries Unfilled First Delivery