{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"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":"Replaced by 2000-21-11","note":"","unit":"","url":"https://eflight.com/directives/2000-21-11"}],"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":"1997-06-06","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/9D649198573E10AD86256A0900730F0F.0001","id":"97-09-12","kind":"AD","name":"Airworthiness directive 97-09-12","published":"1997-05-02","subject":"Upper Fuselage Skin","system":"structure","type":"directive","url":"https://eflight.com/directives/97-09-12"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}