{"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"},{"count":119,"name":"Learjet 31","note":"","unit":"registered","url":"https://eflight.com/models/learjet/31#airworthiness"},{"count":161,"name":"Learjet 35","note":"","unit":"registered","url":"https://eflight.com/models/learjet/35#airworthiness"},{"count":67,"name":"Learjet 55","note":"","unit":"registered","url":"https://eflight.com/models/learjet/55#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Fuel system","note":"","unit":"","url":"https://eflight.com/systems/fuel"}],"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":"2007-03-23","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/B2E7F120441F1D9A862572840055C6A1.0001","id":"2007-04-18","kind":"AD","name":"Airworthiness directive 2007-04-18","published":"2007-02-16","subject":"Left- and right-hand standby fuel pump switches","system":"fuel","type":"directive","url":"https://eflight.com/directives/2007-04-18"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}