[Elecraft] Puzzler: Where does this part belong???

[Guy]

After a recent /p trip in Oregon, I noticed a "rattling" noise inside my
K2/10.  I took off the K2 top and found a TO-220 sized transistor completely
loose.  It is market "NTE104F and NTE2374LF" .  It was soldered but broke
off cleanly at the points where it inserts into the PCB.  I can't find any
obvious "home" for it on the main or controller board PCBs.  And a search of
the manual doesn't cross-reference these markings.

Still looking but maybe someone on this list can point me in the right
direction.....

Thanks in advance, Guy/N7UN

-- 
Guy/N7UN
http://www.n7un.com