According to PSGroove.com, there was another DEBUG firmware leak. This one is for firmware v3.41!
News Source: PS3 TEST Debug Firmware 3.41 Leaked (via) PSGroove.comNow we have received word, that 3.41 Debug firmware has leaked, on XorLoser's Blog, via a user named Blackpen0. PS3 TEST owners will find this useful in playing newer games that require 3.41 firmware. It is also useful to devs that would like to explore the newer debug firmware.