Thanks for your replies so far.
Unfortunately I don't have many details on this jump. If I remember correctly guy #2 told me he was still on the plane when he saw guy #1 having problems. However, I might be mistaken about this.
If the story is true it has happened in a special ops unit and guy #2 was the trainer.
Anyway. Since I don't have any details or certain information I suppose the quintessence is: Maybe I havent been told a fib - or maybe I have...
Thanks for your willingness to reply to a Dummy, though!