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  2. Airworthiness directive - Wikipedia

    en.wikipedia.org/wiki/Airworthiness_Directive

    The FAA issues ADs by three different processes: [5] Standard AD process: Notice of Proposed Rulemaking (NPRM), followed by a Final Rule; Final Rule and Request for Comments; Emergency airworthiness directives – issued without time for comment. This is only used issued "when an unsafe condition exists that requires immediate action by an ...

  3. Emergency airworthiness directive - Wikipedia

    en.wikipedia.org/wiki/Emergency_airworthiness...

    An emergency airworthiness directive (EAD) is an airworthiness directive issued when unsafe conditions require immediate action by an aircraft owner or operator. An EAD is published by a responsible authority such as the FOCA, EASA or FAA related to airworthiness and maintenance of aircraft and aircraft parts. It contains measures which must be ...

  4. 2013 Boeing 787 Dreamliner grounding - Wikipedia

    en.wikipedia.org/wiki/2013_Boeing_787_Dreamliner...

    On January 16, 2013, the Federal Aviation Administration (FAA) issued an emergency airworthiness directive ordering all U.S.-based airlines to ground their Boeing 787s until yet-to-be-determined modifications were made to the electrical system to reduce the risk of the battery overheating or catching fire. [26]

  5. US FAA requires inspections of Boeing 787 planes following ...

    www.aol.com/news/us-faa-adopts-safety-directive...

    The FAA's airworthiness directive impacts 158 U.S.-registered airplanes and 737 airplanes worldwide and requires airlines to inspect the captain’s and first officer’s seats on 787-7, 787-9 ...

  6. Boeing 737 MAX certification - Wikipedia

    en.wikipedia.org/wiki/Boeing_737_MAX_certification

    The findings were first reported by The Wall Street Journal in July 2019, [130] The FAA assumed that the emergency airworthiness directive sufficed until Boeing delivered a fix. [131] Over a question whether a mistake was made in this regard, the FAA's chief Stephen Dickson responded, "Obviously the result was not satisfactory."

  7. AC 25.1309-1 - Wikipedia

    en.wikipedia.org/wiki/AC_25.1309-1

    The airworthiness requirements for transport category (large civil aircraft, both airplanes and helicopters) are contained in Title 14, Code of Federal Regulations (14 CFR) part 25 (commonly referred to as part 25 of the Federal Aviation Regulations (FAR)).

  8. Southwest Airlines Flight 1380 - Wikipedia

    en.wikipedia.org/wiki/Southwest_Airlines_Flight_1380

    On May 2, 2018, the FAA issued follow-up airworthiness directive (AD) 2018-09-10, which expanded the inspections on CFM56-7B engines beyond the original EAD 2018-09-51. The new AD required inspections of engines with lower cycles and introduced repeat inspection requirements, including a requirement to perform detailed inspections on each fan ...

  9. Airworthiness - Wikipedia

    en.wikipedia.org/wiki/Airworthiness

    The USA Federal Aviation Regulations, Part 21, §21.183(d) has a procedural definition of airworthy: "other aircraft An applicant for a standard airworthiness certificate for aircraft not covered by paragraphs (a) through (c) (a:"New aircraft manufactured under a production certificate." b:"New aircraft manufactured under type certificate only."