AD/LA-4/20 - Main Landing Gear - Rocker Castings P/N 2-4113-1 - 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-la-4-20-main-landing-gear-rocker-castings-p-n-2-4113-1-inspection-and-replacement