AD/B747/64 Amdt 4 - Wing Centre Section - Front Spar Lower Chord Splice Fitting Bolts 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-b747-64-amdt-4-wing-centre-section-front-spar-lower-chord-splice-fitting-bolts