{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":8,"name":"Saab-Fairchild 340","note":"","unit":"registered","url":"https://eflight.com/models/saab-fairchild/340#airworthiness"},{"count":42,"name":"Saab-Scania SAAB 340","note":"","unit":"registered","url":"https://eflight.com/models/saab-scania/saab-340#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Landing gear","note":"","unit":"","url":"https://eflight.com/systems/landing-gear"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaced by 2025-02-15","note":"","unit":"","url":"https://eflight.com/directives/2025-02-15"}],"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":"2017-11-27","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/00FBEA6FDFCD8E9A862581C2004F34D4.0001","id":"2017-21-05","kind":"AD","name":"Airworthiness directive 2017-21-05","published":"2017-10-23","subject":"Time Limits/ Maintenance Checks","system":"landing-gear","type":"directive","url":"https://eflight.com/directives/2017-21-05"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}