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1-- Remove tank 2-- Clean thoroughly inside and out with many applications of MEK (to remove old sloshing compound) 3-- Inspect entire tank for cracks 4-- Grind away offending area of stiffener 5-- Have FAA approved welder weld on patch plus new stiffener near the old or patch the old one. AC43.13 has sample methods. 6-- Pressure test tank 7a-- If there are no rivets, reinstall the tank 7b-- If there are rivets, re-slosh the tank with Randolph #813 (I think that's the right #). Reinstall the tank 8-- Make appropriate log entries. David N6359V Mike Polhemus wrote: > Alons welcome here? I have a crack in the bottom of my fuselage tank in > my Alon A-2 Aircoupe, which might sound easy enough to have repaired, > except that it begins in plain view, then disappears underneath the tank > bottom stiffener. Any ideas on how this might be repaired? > > I'd also like to get rid of the old slosh inside the tank as it is crisp > and chipping. Any ideas on if/how this might be done? --------------------------------- to unsubscribe send mailto:[EMAIL PROTECTED] ___________________________________________________________ T O P I C A http://www.topica.com/t/17 Newsletters, Tips and Discussions on Your Favorite Topics
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