According to our colleague, Valery Smirnov, this report was made on 7 May 1943, and it is about the German aircraft captured at Chir railway station near Stalingrad. Some of these had been damaged and were meant to be transported to the rear support areas. Here is the link to the site - languages of choice are Russian and German
http://wwii.germandocsinrussia.org/r...inspect/zoom/8