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BOEING 737-400

10 registered · 1992–1997 · 0 NTSB events · 50 ADs

About this data

Fixed Wing Multi Engine · as of Sep 21, 2026

Resources Manufacturer · Boeing ↗ TCDS A16WE ↗

Distribution · currently registered

By state (top 10)

  • FL 20.0% 2
  • DE 20.0% 2
  • CT 10.0% 1
  • WI 10.0% 1
  • UT 10.0% 1
  • MI 10.0% 1
  • AZ 10.0% 1
  • MO 10.0% 1

By decade of manufacture

  • 1990s 50.0% 5
  • Unknown 50.0% 5

NTSB records

No NTSB-recorded events match BOEING 737-400 in the indexed corpus.

Airworthiness directives

50 directive(s) on file. Showing the most recent 25 · 25 more in the Federal Register.

  • Apr 27, 2026

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This proposed AD was prompted by reports of fuselage skin cracks found near the aft drain mast. This proposed AD would require inspection of the aft drain mast ar…

    Atlas AD Federal Register ↗
  • Feb 13, 2026

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD was prompted by a report of cracks found in the fuselage skin underneath the aft drain mast. This proposed AD would require repetitive inspecti…

    Atlas AD Federal Register ↗
  • Feb 10, 2025

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by a report indicating cracks in the frame inner chord and web at station (STA) 727. This AD requires an inspection for any repair installed, repetit…

    Atlas AD Federal Register ↗
  • May 20, 2024

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD was prompted by a report indicating cracks in the frame inner chord and web at station (STA) 727. This proposed AD would require an inspection for…

    Atlas AD Federal Register ↗
  • Jul 31, 2023

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, 737-200, 737-200C, 737-300, 737-400, 737-500, 737-600, 737-700, 737-700C, 737-800, 737-900, 737-900ER, 757- 200, 757-200PF, 757-200CB, 757-300, 767-200, 767-300, 767-300F, and 767-400ER series airplanes. This AD was prompt…

    Atlas AD Federal Register ↗
  • Dec 22, 2022

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by a report indicating that a crack was found in one of the holes of the wing rear spar lower chord at the main landing gear (MLG) aft fitting at a c…

    Atlas AD Federal Register ↗
  • Dec 9, 2022

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, 737-200, 737-200C, 737-300, 737-400, 737-500, 737-600, 737-700, 737-700C, 737-800, 737-900, 737- 900ER, 757-200, 757-200PF, 757-200CB, 757-300, 767-200, 767-300, 767- 300F, and 767-400ER series airplanes. This propos…

    Atlas AD Federal Register ↗
  • Sep 8, 2022

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD was prompted by a report indicating that a crack was found in one of the holes of the wing rear spar lower chord at the main landing gear (MLG) aft…

    Atlas AD Federal Register ↗
  • Sep 12, 2019

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to certain The Boeing Company Model 737-100, 737-200, 737-200C, 737-300, 737-400, and 737-500 series airplanes. As published, a paragraph reference specified in the regulatory text is incorrect. This document…

    Atlas AD Federal Register ↗
  • Aug 15, 2019

    Airworthiness Directives; The Boeing Company Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-100, 737-200, 737-200C, 737-300, 737-400, and 737-500 series airplanes. This AD was prompted by reports of cracks in the frames below the passenger floor. This AD requires repetitive inspections for cracking of the fuselage…

    Atlas AD Federal Register ↗
  • Mar 4, 2019

    Airworthiness Directives; The Boeing Company Airplanes

    We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-400 series airplanes. This AD was prompted by reports of cracking in the splice plate on the lower sill of the overwing emergency exit doors. This AD requires repetitive inspections for such cracking and applicable on-condition…

    Atlas AD Federal Register ↗
  • Mar 1, 2019

    Airworthiness Directives; The Boeing Company Airplanes

    We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, 737-200, 737-200C, 737-300, 737-400, and 737-500 series airplanes. This proposed AD was prompted by reports of cracks in the frame webs below the passenger floor. This proposed AD would require repetitive inspections for c…

    Atlas AD Federal Register ↗
  • Nov 8, 2018

    Airworthiness Directives; The Boeing Company Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-400 series airplanes. This proposed AD was prompted by reports of cracking in the splice plate on the lower sill of the overwing emergency exit doors. This proposed AD would require repetitive inspections for such cracking…

    Atlas AD Federal Register ↗
  • Oct 2, 2017

    Airworthiness Directives; Siemens S.A.S. Smoke Detectors

    We are adopting a new airworthiness directive (AD) for certain Siemens S.A.S. smoke detectors installed on various transport category airplanes. This AD requires inspection and replacement of the affected smoke detectors. This AD was prompted by a report that the affected smoke detectors failed an acceptance test. We…

    Atlas AD Federal Register ↗
  • Sep 26, 2017

    Airworthiness Directives; Siemens S.A.S. Smoke Detectors

    We are adopting a new airworthiness directive (AD) for certain Siemens S.A.S. smoke detectors installed on various transport category airplanes. This AD requires inspection and replacement of the affected smoke detectors. This AD was prompted by a report that the affected smoke detectors failed an acceptance test. We…

    Atlas AD Federal Register ↗
  • Jun 22, 2017

    Airworthiness Directives; The Boeing Company Airplanes

    We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by a report of a crack in a certain body station (BS) frame inboard chord during supplemental structural inspection document (SSID) inspections. This AD requires repetitive…

    Atlas AD Federal Register ↗
  • May 30, 2017

    Airworthiness Directives; The Boeing Company Airplanes

    We are superseding Airworthiness Directive (AD) 2009-21-01 for certain The Boeing Company Model 737-300 and 737-400 series airplanes. AD 2009-21-01 required repetitive inspections to detect cracking of the aft fuselage skin, and related investigative and corrective actions if necessary. This new AD adds certain inspec…

    Atlas AD Federal Register ↗
  • May 30, 2017

    Airworthiness Directives; The Boeing Company Airplanes

    We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-400 series airplanes. This AD was prompted by an evaluation by the design approval holder (DAH), which indicates that the aft fuselage skin is subject to widespread fatigue damage (WFD), and reports of aft fuselage skin crackin…

    Atlas AD Federal Register ↗
  • May 23, 2017

    Airworthiness Directives; The Boeing Company Airplanes

    We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-100, -200, and -200C series airplanes. This AD is intended to complete certain mandated programs to support the airplane reaching its limit of validity (LOV) of the engineering data that support the established structural maint…

    Atlas AD Federal Register ↗
  • Apr 20, 2017

    Airworthiness Directives; Siemens S.A.S. Smoke Detectors

    We propose to adopt a new airworthiness directive (AD) for certain Siemens S.A.S. smoke detectors installed on various transport category airplanes. This proposed AD was prompted by a report that the affected smoke detectors failed an acceptance test. This proposed AD would require inspection and replacement of the af…

    Atlas AD Federal Register ↗
  • Nov 25, 2016

    Airworthiness Directives; The Boeing Company Airplanes

    We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-400 series airplanes. This AD was prompted by reports of cracks in the upper chord of the overwing stub beams at body station (STA) 578 emanating from the rivet location common to the crease beam inner chord and the overwing stub b…

    Atlas AD Federal Register ↗
  • May 13, 2016

    Airworthiness Directives; The Boeing Company Airplanes

    We propose to supersede Airworthiness Directive (AD) 2009-21- 01, which applies to certain Boeing Model 737-300 and 737-400 series airplanes. AD 2009-21-01 currently requires repetitive inspections to detect cracking of the aft fuselage skin, and related investigative and corrective actions if necessary. Since we issu…

    Atlas AD Federal Register ↗
  • May 13, 2016

    Airworthiness Directives; The Boeing Company Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Boeing Model 737-400 series airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) which indicates that the aft fuselage skin is subject to widespread fatigue damage (WFD) and reports of aft fuselage skin cracking…

    Atlas AD Federal Register ↗
  • Apr 28, 2016

    Airworthiness Directives; The Boeing Company Airplanes

    We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-400 series airplanes. This proposed AD was prompted by reports of cracks in the upper chord of the overwing stub beams at body station (STA) 578 emanating from the rivet location common to the crease beam inner chord and the ov…

    Atlas AD Federal Register ↗
  • Jan 13, 2016

    Airworthiness Directives; The Boeing Company Airplanes

    We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-400 series airplanes, as modified by a certain supplemental type certificate. This AD was prompted by the discovery of a design drawing error regarding placards that identified incorrect squibs and pressure switches for certain…

    Atlas AD Federal Register ↗

Type certificate data sheets · 1 match in the FAA catalog

  • A16WE The Boeing Company Historical Rev 60 · 12/13/2017

    Models: 737-700C Series, 737-500 Series, 737-900ER Series, 737-300 Series + 11 more

    Atlas TCDS DRS ↗

Supplemental type certificates · 1,226 on file

+ 1,196 more STCs on file

PMA replacement parts · 60+ on file

+ 20 more PMA parts on file

Equivalent level of safety findings · 2 on file

Advisory circulars & Federal Register

Registered N-numbers · 10

10 of 10 ● NTSB events on file · orange tails have Atlas pages · Look up queries the live FAA registry (owner, address, last airworthiness)
N-number St Year NTSB FAA
N225PG FL — · Look up ↗
N250HA CT — · Look up ↗
N253GC WI — · Look up ↗
N263LM DE 1994 · Look up ↗
N311GT UT 1995 · Look up ↗
N406CK MI 1997 · Look up ↗
N640CS AZ — · Look up ↗
N652EE DE 1992 · Look up ↗
N796SA FL — · Look up ↗
N803TJ MO 1993 · Look up ↗

Source — FAA Aircraft Registry

Sources