SB 18-09-17 ( 2 hrs )
Started Service Bulletin SB 18-09-17 "Cracking of F01478 Aft Fuselage - Forward Bottom Skins". Examples of cracks discovered are
here and
here. Deburred, dimpled, machine c'sunk and primed all pieces in "kit" I received Oct 10, 2018. On bottom of Fuse, drilled out 10 rivets (all without extra drama...Yay!) Cleco'd exterior plate in place. Next step requires crawling inside Aft Fuselage ...aaarrggghhh!
I know it can be done...here's example. My wife will use the rivet gun from beneath Fuselage. I've remembered to brace the tail, so it won't suddenly become a tail dragger. 😜
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| page 1 of good instructions w/ great dwgs |
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| deburred, dimpled & machine c'sunk....primed next |
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| 6 rivets removed center area, plus 2 LH & 2 RH J-stiffeners |
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yellow marks highlight missing rivets.
You can see shop head ends still on fuselage bottom |
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| Diamond shaped "skin doubler" in place on bottom surface |
