{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":359,"name":"Boeing 777","note":"","unit":"registered","url":"https://eflight.com/models/boeing/777#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Electrical power","note":"","unit":"","url":"https://eflight.com/systems/electrical"}],"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":"2011-11-16","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/505BFA47D8D017EF8625792700533F08.0001","id":"2011-21-03","kind":"AD","name":"Airworthiness directive 2011-21-03","published":"2011-10-12","subject":"Hydraulic and Electrical power","system":"electrical","type":"directive","url":"https://eflight.com/directives/2011-21-03"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}