{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":2887,"name":"Boeing 737","note":"","unit":"registered","url":"https://eflight.com/models/boeing/737#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 2019-22-10","note":"","unit":"","url":"https://eflight.com/directives/2019-22-10"},{"count":null,"name":"Replaced by 2025-07-03","note":"","unit":"","url":"https://eflight.com/directives/2025-07-03"}],"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":"2021-06-08","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/37DB8AEFD9C13AE2862586CB0052F591.0001","id":"2021-09-06","kind":"AD","name":"Airworthiness directive 2021-09-06","published":"2021-05-04","subject":"Fuselage","system":"structure","type":"directive","url":"https://eflight.com/directives/2021-09-06"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}