AD/B747/121 Amdt 1 - Inspection of APU and Cargo Compartment Fire Extinguisher Bottle Cartridges 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-b747-121-amdt-1-inspection-of-apu-and-cargo-compartment-fire-extinguisher-bottle-cartridges