Summary
The FAA proposes to supersede Airworthiness Directive (AD) 2017-18-17, which applies to all Airbus SAS Model A300 B4-603, A300 B4- 620, A300 B4-622, A300 B4-605R, A300 B4-622R, A300 F4-605R, A300 F4- 622R, and A300 C4-605R Variant F airplanes. AD 2017-18-17 requires modifying certain fuselage frames and a repair on certain modified airplanes. Since AD 2017-18-17 was issued, the FAA has determined that, for certain airplanes, a rotating probe inspection must be performed prior to oversizing of the open-holes, and consequently more work is necessary for airplanes that have previously been modified. This proposed AD would continue to require the actions in AD 2017-18-17. This proposed AD would also require, for certain airplanes, an inspection to determine if rotating probe inspections were performed prior to oversizing of the open-holes, and repair if necessary, as specified in a European Union Aviation Safety Agency (EASA) AD, which will be incorporated by reference. The FAA isproposing this AD to address the unsafe condition on these products.