23272 was originally delivered to the CAAC as B-2506 in March 1985. When Air China was formed out of the CAAC in 1988, it was transferred into its fleet. In April 1995, it went to Air Great Wall [CGW]. In October 2002, it went to China Eastern Airlines. In June 2004, it went to Blue Dart Aviation [BZ/BDA] (India) as VT-BDI, and was converted into a freighter. In May 2013, it was acquired by CSDS Aircraft Sales and Leasing. Trans Air acquired N737CS in October 2013.