[Franek Grabowski]

Alex
Stig's reply was nowhere rude.
There is nothing wrong with the infomation coming from internet. Actually, you have posted on the internet, so does it mean it is useless, is not it?

The serial of the aircraft comes from an online index of accident reports. There is no reason to put it in doubt. You can obtain the report from several places, and this would be an official position. Of course, it cannot be excluded, that some events leading to the crash were covered up, but as long as you did not bother to consult it, how do you know it is?
You cannot expect that you will get first hand account here, about a rather obscure accident in a remote corner of the world. I doubt if any witness is still alive, and if so he would be well into 90s. There is a small group of researchers who had a chance to talk to veterans, even smaller to be interested in such neglected topics like Korean War and associated events, and worse, they are fading away as well. We bid a final farewell to a few in the recent few months here.
The best you can get are leads, and Stig provided you with a lead - serial number of the aircraft involved. It is your problem, what are you going to do with that information, but this is certainly not a reason for personal attack.
Franek