{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"System","items":[{"count":null,"name":"Fuel system","note":"","unit":"","url":"https://eflight.com/systems/fuel"}],"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":"","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/66133E36CF52F04D86256A0800733A73.0001","id":"49-31-01","kind":"AD","name":"Airworthiness directive 49-31-01","published":"","subject":"Emergency Fuel Pump 'O' Rings","system":"fuel","type":"directive","url":"https://eflight.com/directives/49-31-01"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}