{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":2428,"name":"Piper PA-24 Comanche","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-24#airworthiness"},{"count":880,"name":"Piper PA-30 Twin Comanche","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-30#airworthiness"},{"count":82,"name":"Piper PA-39 Twin Comanche C/R","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-39#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Airframe structure","note":"","unit":"","url":"https://eflight.com/systems/structure"}],"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":"1983-09-30","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/8112D4D0999EB304862569A6005C96D0.0001","id":"83-19-03","kind":"AD","name":"Airworthiness directive 83-19-03","published":"1983-09-27","subject":"Lower Spar Cap Inspection","system":"structure","type":"directive","url":"https://eflight.com/directives/83-19-03"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}