{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":49,"name":"Air Tractor Inc AT-400","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-400#airworthiness"},{"count":68,"name":"Air Tractor Inc AT-401","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-401#airworthiness"},{"count":160,"name":"Air Tractor Inc AT-402","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-402#airworthiness"}],"relation":"applies to"},{"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 2006-08-08","note":"","unit":"","url":"https://eflight.com/directives/2006-08-08"}],"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":"2009-05-05","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/E4BC2262251B33C88625758A00508EAA.0001","id":"2006-08-08 R1","kind":"AD","name":"Airworthiness directive 2006-08-08 R1","published":"2009-03-31","subject":"Wing lower spar cap","system":"structure","type":"directive","url":"https://eflight.com/directives/2006-08-08 R1"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}