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Hey Gang - My IA is squawking about my wing tank
caps being unvented. I know this subject has been tossed around before but
the archives don't really answer this question. Have I missed a service bulletin
or A.D. that requires a change to vented caps? The parts list shows unvented
caps for my 415 C/D serial # - 4667. Can anybody tell me
why some coupes have them and some don't, and why?
Also, exactly how do the wing tanks
vent? It looks like somehow they vent thru the fuse tank, but I gotta argue
this one with him because he wants me to drill the caps I have, which have
been flying unvented a long time. I'm thinking I've got the
right set-up here, but I need to straighten this fellow out. (and me too)
Thanks for any info -
Richard Rokeby N3966H
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