{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":262,"name":"International Aero Engines V2500 series","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2500-series#airworthiness"},{"count":2,"name":"International Aero Engines V2522-A5","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2522-a5#airworthiness"},{"count":27,"name":"International Aero Engines V2524-A5","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2524-a5#airworthiness"},{"count":113,"name":"International Aero Engines V2527-A5","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2527-a5#airworthiness"},{"count":27,"name":"International Aero Engines V2527E-A5","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2527e-a5#airworthiness"},{"count":2,"name":"International Aero Engines V2528-D5","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2528-d5#airworthiness"},{"count":2,"name":"International Aero Engines V2530-A5","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2530-a5#airworthiness"},{"count":270,"name":"International Aero Engines V2533-A5","note":"","unit":"aircraft","url":"https://eflight.com/engines/international-aero-engines-v2533-a5#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 2010-20-07","note":"","unit":"","url":"https://eflight.com/directives/2010-20-07"},{"count":null,"name":"Replaced by 2015-10-04","note":"","unit":"","url":"https://eflight.com/directives/2015-10-04"}],"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":"2012-06-27","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/2D1A48EF3209977286257A07004FE869.0001","id":"2012-09-09","kind":"AD","name":"Airworthiness directive 2012-09-09","published":"2012-05-23","subject":"High-pressure compressor (HPC) stage 3 to 8 drums","system":"engine","type":"directive","url":"https://eflight.com/directives/2012-09-09"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}