Up close picture of crack in my CH750 rear baggage back panel. My CH750 has 115 hrs TT. Crack is caused by flexing of the airframe taxiing of grass (uneven / rough) runways. This is a version 1 airframe with 1360 lb gross. Zenith has a fix involving riveting in fuselage doublers. reference drawing # 75-FA-10. You need to install 2 - baggage back channel doublers, 2 side skin doublers and 2 side skin angles. I think that the version 2 1450 lb gross kits already have this fix in the kit. Builders who have not yet painted or assembled their CH750 kit should contact Zenith to avoid the grief I will have since my CH750 is finished (flying) and painted.
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Hi Bob,
When you added the back channel doublers on the baggage back panel, did you have to remove the panel to install those doublers?
Bill
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