{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":2896,"name":"Boeing 737","note":"","unit":"registered","url":"https://eflight.com/models/boeing/737#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Flight controls","note":"","unit":"","url":"https://eflight.com/systems/flight-controls"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2005-07-20","note":"","unit":"","url":"https://eflight.com/directives/2005-07-20"},{"count":null,"name":"Replaced by 2021-18-17","note":"","unit":"","url":"https://eflight.com/directives/2021-18-17"}],"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":"2012-11-27","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/E836CC89949E901486257AA0004BD302.0001","id":"2012-21-08","kind":"AD","name":"Airworthiness directive 2012-21-08","published":"2012-10-23","subject":"Auto Flight","system":"flight-controls","type":"directive","url":"https://eflight.com/directives/2012-21-08"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}