{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2008-19-05","note":"","unit":"","url":"https://eflight.com/directives/2008-19-05"}],"relation":"related to"},{"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":"2010-02-04","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/FD1C80194BA0B8DA8625769D00695ADA.0001","id":"2009-26-12","kind":"AD","name":"Airworthiness directive 2009-26-12","published":"2009-12-31","subject":"Cylinder assemblies","system":"engine","type":"directive","url":"https://eflight.com/directives/2009-26-12"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}