{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":4,"name":"Pratt & Whitney JT9D-3A","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt9d-3a#airworthiness"},{"count":1,"name":"Pratt & Whitney JT9D-59A","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt9d-59a#airworthiness"},{"count":1,"name":"Pratt & Whitney JT9D-7","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt9d-7#airworthiness"},{"count":4,"name":"Pratt & Whitney JT9D-7R4D","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt9d-7r4d#airworthiness"},{"count":1,"name":"Pratt & Whitney JT9D-7R4E","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt9d-7r4e#airworthiness"},{"count":13,"name":"Pratt & Whitney JT9D series","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt9d-series#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2007-05-17","note":"","unit":"","url":"https://eflight.com/directives/2007-05-17"},{"count":null,"name":"Replaced by 2021-09-10","note":"","unit":"","url":"https://eflight.com/directives/2021-09-10"}],"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":"2012-04-23","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/F2FAE4C18BDA5F7B862579C6004B80E5.0001","id":"2012-04-15","kind":"AD","name":"Airworthiness directive 2012-04-15","published":"2012-03-19","subject":"Engine","system":"engine","type":"directive","url":"https://eflight.com/directives/2012-04-15"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}