Thanks all for the replies.
Yes, LoneStarMike, that sounds like the one. The plane plummeted about 30,000 feet in just over a minute, and was seconds away from impact before the crew miraculously regained control. Scary stuff.
Strangely enough, TWA had already lost a previous Flight 841, when a bomb exploded on TWA Flight 841 in 1974 from Athens to JFK
. TWA came a mere seconds away from losing two planes with the same flight number, within a span of 5 years.