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The "AI" ??... "AI hole" ??
Dave,
I think you lost some of us in the translation. What's the "AI" you're talking about?
Also, regarding the Scat tubing, you might want to check the circumference of all the runs to make sure there aren't any worn spots or holes in the tubing, especially where there is flexing or rubbing on other surfaces. The RED High-Temp RTV is excellent for maintaining the integrity of the Scat to keep the fiber wrap in place and also to cover any thin spots in the covering. Also be aware that if you have to replace any Scat to select the proper replacement type.
Regarding the Janitrol heater, has it been tested or replaced per the recent AD? You could have a hole in the plenum that would allow pressurized air to escape.
One other thing, you've never mentioned if the blower-fan above the pilot's rudder pedals is functioning properly, or if the Scat is hooked up right.
SkyKing
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