Airworthiness Directives 2004 - Revocation and Remaking - Allison Turbine Engines - 250 Series 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/airworthiness-directives-2004-revocation-and-remaking-allison-turbine-engines-250-series