[R-390] Raytheon PTO?

[Tom Norris]

I recently came across a Raytheon PTO for the 390A.
Anything special about it? I will assume this is a rework
by Raytheon. Date is 1977.

Pix here --
http://www.hezbolllah.org/390A/ray1.jpg
http://www.hezbolllah.org/390A/ray2.jpg

73

Tom

(web site above is in no way affiliated with the terrorist
organization. Notice the 3 L's in the name. I was running out
of domain name choices.)