{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":7,"name":"Douglas DC-9","note":"","unit":"registered","url":"https://eflight.com/models/douglas/dc-9#airworthiness"},{"count":93,"name":"Mcdonnell Douglas DC-9","note":"","unit":"registered","url":"https://eflight.com/models/mcdonnell-douglas/dc-9#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Landing gear","note":"","unit":"","url":"https://eflight.com/systems/landing-gear"}],"relation":"about"},{"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":"1991-12-31","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/F1B2713C0F6D27D886256A080064D368.0001","id":"91-25-03 R1","kind":"AD","name":"Airworthiness directive 91-25-03 R1","published":"","subject":"Main Landing Gear Brakes","system":"landing-gear","type":"directive","url":"https://eflight.com/directives/91-25-03 R1"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}