{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":6,"name":"Learjet 23","note":"","unit":"registered","url":"https://eflight.com/models/learjet/23#airworthiness"},{"count":16,"name":"Learjet 24","note":"","unit":"registered","url":"https://eflight.com/models/learjet/24#airworthiness"},{"count":23,"name":"Learjet 25","note":"","unit":"registered","url":"https://eflight.com/models/learjet/25#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Heating, ice protection and utility systems","note":"","unit":"","url":"https://eflight.com/systems/utility"}],"relation":"about"},{"group":"More","items":[{"count":null,"name":"Every FAA order","note":"","unit":"","url":"https://eflight.com/directives"},{"count":null,"name":"Every aircraft system","note":"","unit":"","url":"https://eflight.com/systems"}],"relation":"see also"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"effective":"2005-12-19","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/1135B2F1BD0B453E862570B9005F920B.0001","id":"2005-23-03","kind":"AD","name":"Airworthiness directive 2005-23-03","published":"2005-11-14","subject":"Spherical accumulator for the main hydraulic system","system":"utility","type":"directive","url":"https://eflight.com/directives/2005-23-03"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}