{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"System","items":[{"count":null,"name":"Airframe structure","note":"","unit":"","url":"https://eflight.com/systems/structure"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2010-04-03","note":"","unit":"","url":"https://eflight.com/directives/2010-04-03"},{"count":null,"name":"Replaced by 2018-10-05","note":"","unit":"","url":"https://eflight.com/directives/2018-10-05"}],"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":"2016-12-15","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/81545828054F07B7862580670053CAD7.0001","id":"2016-23-01","kind":"AD","name":"Airworthiness directive 2016-23-01","published":"2016-11-10","subject":"Fatigue cracking","system":"structure","type":"directive","url":"https://eflight.com/directives/2016-23-01"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}