AD/BEECH 18/21 - Main Landing Gear Walking Beam Upper Attach Bolt - Inspection and Replacement Zoe has a public metadata record for this legal instrument, but accepted source text is not available in the agent mirror yet. Canonical page: https://zoelaw.ai/legislation/ad-beech-18-21-main-landing-gear-walking-beam-upper-attach-bolt-inspection-and-replacement