[Flying Scotsman]

I know I saw it, but now I can't find it...several people have put AA6 angles down the aft side of the F-785A backrest brace, for two reasons...to stiffen it up and to provide a place to mount O2 systems. Can someone point me to the info/pics of their installation? I like the idea, and am working on the flap actuator channel/backrest brace now...

Thanks much!

Steve