EASA Regulations & Airworthiness Directives

Browse 173 EASA regulations with AI-powered summaries.

Filtered by: Boeing 737Clear filter

EASA AD US-2023-12-11

Jun 23, 2023

Aircraft Flight Manual - Limitations / Operating Procedures - Amendment

The Aircraft Flight Manual - Limitations / Operating Procedures - Amendment is a final rule issued by the Federal Aviation Administration (FAA) that supersedes Airworthiness Directive 2022-03-20. It applies to all Boeing 737-8, 737-9, and 737-8200 airplanes and addresses limitations and operating procedures related to interference from 5G C-Band wireless broadband operations affecting radio altimeters. The amendment updates the airplane flight manual to prohibit the use of certain minimum equipment list items and retains procedures for calculating takeoff and landing distances under these interference conditions.

Airworthiness Directive
  • Boeing 737898200

EASA AD US-2023-09-04

Jun 13, 2023

Superseded by FAA AD 2025-25-04

FAA Airworthiness Directive 2023-09-04 is a final rule addressing certain Boeing 737-600, -700, -700C, -800, -900, -900ER series airplanes, and certain 737-8 and -9 models. It targets uncommanded escape slide deployments caused by excessive tension in the inflation cable and movement of the escape slide assembly within its compartment. The directive mandates inspection of all escape slide assemblies to identify affected parts and requires corrective actions as necessary.

Airworthiness Directive
  • Boeing 737600700700C800900900ER89

EASA AD 2021-0234R1

May 11, 2023

Information Systems — Electronic Flight Bag Universal Serial Bus Receptacle — Modification

EASA Airworthiness Directive 2021-0234R1 is a regulatory update addressing the modification of Electronic Flight Bag (EFB) Universal Serial Bus (USB) receptacles installed on various aircraft including Fokker F27 and F28 models, Airbus A318 through A340 series, ATR42 and ATR72, Boeing 737 through 777 models, Bombardier CL-600 series, and De Havilland Canada DHC-8 aircraft. The directive mandates modifications to affected USB receptacles to prevent overheating and potential smoke or fumes in the cockpit. This AD applies to specific manufacturer serial numbers as detailed in the directive's appendix.

Airworthiness Directive
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A330
  • Airbus A340
  • ATR ATR42
  • ATR ATR72
  • Boeing 737
  • Boeing 757
  • Boeing 767
  • Boeing 777
  • Bombardier CL-600 (Challenger)
  • De Havilland Canada DHC-8
  • Fokker CRR-0146
  • Fokker CRR-0185
  • Fokker CRR-0186
  • Fokker CRR-0190
  • Fokker CRR-0206
  • Fokker CRR-0210
  • Fokker CRR-0241
  • Fokker CRR-0265
  • Fokker CRR-0290
  • Fokker CRR-0300
  • Fokker CRR-0309
  • MHI RJ Aviation CL-600 (Regional Jet)
  • Fokker F27
  • Fokker F28
  • Boeing 747
  • Bombardier CL-600

EASA AD US-2023-05-06

May 9, 2023

Time Limits / Maintenance Checks — Time Limits Manual / Maintenance Programme — Amendment

Federal Aviation Administration Airworthiness Directive 2023-05-06 is a final rule affecting certain Boeing 737-8, 737-9, and 737-8200 airplanes. It mandates revisions to the maintenance or inspection programs to include new airworthiness limitations related to the periodic replacement or testing and replacement of the oxygen sensor in the nitrogen generation system (NGS). This directive aims to address safety concerns related to potential fuel tank flammability.

Airworthiness Directive
  • Boeing 737898200

EASA AD US-2023-06-15

May 8, 2023

Fuselage - Left and Right Side Station 727 Frame Inner Chord and S—18A Web - Inspection

Fuselage - Left and Right Side Station 727 Frame Inner Chord and S–18A Web - Inspection is a Federal Aviation Administration (FAA) Airworthiness Directive (AD 2023–06–15) addressing certain Boeing 737–600, –700, –700C, –800, –900, and –900ER series airplanes. This AD mandates inspections of the left and right sides at station 727 frame inner chord and S–18A web for missing or incorrect shims, fastener issues, and cracking. It aims to ensure structural integrity by detecting and repairing fatigue cracks before they become critical.

Airworthiness Directive
  • Boeing 737600700700C800900900ER

EASA AD US-2023-04-17

Apr 26, 2023

Fuel - Auxiliary Power Unit Fuel Line Shroud / Pressure Switch Wire Clamp - Inspection

The Federal Aviation Administration's Airworthiness Directive 2023-04-17 is a final rule addressing certain Boeing 737-8, 737-9, and 737-600, -700, -700C, -800, -900, and -900ER series airplanes. It mandates inspections of the auxiliary power unit (APU) fuel line shroud and the pressure switch wire clamp assembly to detect damage and incorrect fastener installation that could cause interference and potential fuel leaks. This directive aims to prevent flammable fluid leaks in ignition zones due to damaged APU fuel line shrouds.

Airworthiness Directive
  • Boeing 73789600700700C800900900ER

EASA AD US-2023-06-10

Apr 4, 2023

Ice and Rain Protection / Powerplant - Engine Anti-Ice Exhaust Duct Fasteners - Inspection

Airworthiness Directive 2023-06-10 is a final rule issued by the Federal Aviation Administration addressing all Boeing 737-8, -8200, and -9 airplanes. It mandates inspections and corrective actions related to engine anti-ice (EAI) exhaust duct fasteners that were found to be inadequately torqued, potentially compromising engine inlet integrity. The directive also limits installation of affected parts to prevent unsafe conditions.

Airworthiness Directive
  • Boeing 737882009

EASA AD ISR-I-35-2022-12-9

Feb 13, 2023

Supernumerary Oxygen System Mask Replacement

Airworthiness Directive AD ISR I-35-2022-12-9 issued by the Civil Aviation Authority of Israel mandates the replacement of supernumerary oxygen system masks on Boeing 737-300/-400 and 737-700/-800 aircraft. The directive applies to aircraft serial numbers listed in service bulletins SB 365-35-M058 and SB 365-35-M011. It requires the installation of oxygen masks with TSO C64a authorization to ensure compliance with airworthiness regulations.

Airworthiness Directive
  • Boeing 737
  • Israel Aerospace Industries CAA Israel STC SA136
  • Israel Aerospace Industries CAA Israel STC SA160
  • Israel Aerospace Industries CAA Israel STC SA299
  • Israel Aerospace Industries CAA Israel STC SA300

EASA AD US-2022-24-09

Jan 19, 2023

Air Conditioning - Cabin Altitude Pressure Switches - Functional Test

Airworthiness Directive 2022-24-09 is a final rule issued by the FAA addressing all Boeing Company Model 737 series airplanes. It mandates repetitive functional tests of the cabin altitude pressure switches with specified adapter requirements to prevent false test failures. This directive supersedes the previous AD 2021-14-20 and aims to ensure the cabin altitude warning system activates correctly to prevent hypoxia risks to flightcrew.

Airworthiness Directive
  • Boeing 737

EASA AD US-2022-25-15

Jan 13, 2023

Wings - Rear Spar Lower Chord - Inspection

The Federal Aviation Administration's Airworthiness Directive 2022-25-15 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates inspections of the wing rear spar lower chord at the main landing gear aft fitting due to detected cracking. It requires repetitive high frequency eddy current and ultrasonic inspections and applicable repairs to ensure structural integrity.

Airworthiness Directive
  • Boeing 737100200200C300400500

EASA AD US-2022-21-05

Oct 28, 2022

Auto Flight - Auto-Throttle Computer - Built-in Test Equipment Tests

Airworthiness Directive 2022-21-05 is a final rule issued by the Federal Aviation Administration affecting certain Boeing 737-300, -400, and -500 series airplanes. It addresses a safety issue where a spoiler sensor failure may go undetected by the autothrottle computer, potentially leading to asymmetric thrust and uncommanded roll. The directive mandates repetitive built-in test equipment (BITE) tests of the autothrottle computer to detect and correct spoiler sensor failures.

Airworthiness Directive
  • Boeing 737300400500

EASA AD US-2022-18-13

Oct 12, 2022

Fuselage - Aft Pressure Bulkhead - Inspection

Airworthiness Directive 2022-18-13 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 737-600, -700, -700C, -800, and -900 series airplanes. It mandates inspections and repairs of the aft pressure bulkhead center dome apex web lap splices due to susceptibility to widespread fatigue damage. The directive requires visual and eddy current inspections and corrective actions to maintain structural integrity.

Airworthiness Directive
  • Boeing 737600700700C800900

EASA AD US-2022-16-09

Oct 10, 2022

Wings - Center Fuel Tank Fastener Locations - Preparation of Adequate Sealant Adhesion

The Federal Aviation Administration's Airworthiness Directive 2022-16-09 addresses certain Boeing 737-8 airplanes. It requires preparation and sealing of specific fastener locations in the center fuel tank where sealant adhesion may be compromised due to cap sealing over a black ink stripe with a clear overcoat. This condition could affect lightning protection and increase the risk of fuel tank ignition during a lightning strike.

Airworthiness Directive
  • Boeing 7378

EASA SIB SAFO22002

Aug 22, 2022

Electronic Flight Bags - Onboard Performance Tool v4.70 for iOS Devices

The Safety Alert for Operators SAFO 22002 addresses issues with Boeing's Onboard Performance Tool (OPT) version 4.70 for iOS devices, used on Boeing airplanes. The document highlights two calculation errors affecting takeoff and landing performance data, which could lead to incorrect runway length information being presented to flight crews. These issues specifically impact the accuracy of landing calculations and intersection takeoff calculations within the OPT software.

Safety Information Bulletin
  • Boeing 737
  • Boeing 747
  • Boeing 757
  • Boeing 767
  • Boeing 777
  • Boeing 787

EASA AD US-2022-11-13

Jul 4, 2022

Fuselage - Skin Fasteners - Inspection

The Federal Aviation Administration Airworthiness Directive 2022-11-13 is a final rule addressing certain Boeing 737-700, -800, and -900ER series airplanes. It mandates detailed inspections of the fuselage skin fasteners at the station 727 bulkhead between stringers S-22 and S-27 due to reports of incorrectly installed fasteners. The directive includes required on-condition actions to ensure structural integrity.

Airworthiness Directive
  • Boeing 737700800900ER

EASA AD 2020-0261R1

Jun 30, 2022

Engine — Accessory Gearbox — Modification

EASA Airworthiness Directive 2020-0261R1 addresses the modification of accessory gearboxes (AGB) on CFM International CFM56-3 and CFM56-7B engines, commonly installed on Boeing 737 aircraft. The directive mandates replacement or modification of affected AGB part numbers to prevent engine oil loss and potential engine failure. It applies to all serial numbers of the specified engine models and includes detailed compliance instructions.

Airworthiness Directive
  • CFM International CFM56-3
  • CFM International CFM56-7B
  • Boeing 737

EASA AD US-2022-06-06

May 24, 2022

Flight Controls - Rudder Pedal Cover Assembly Fasteners - Modification

Federal Aviation Administration Airworthiness Directive 2022-06-06 is a final rule addressing certain Boeing 737 series airplanes, including models 737-600, -700, -700C, -800, -900, -900ER, 737-8, and 737-9. It mandates modifications to the rudder pedal cover and shroud assemblies to prevent fasteners from loosening and interfering with rudder pedal operation. This directive aims to enhance flight control safety by ensuring reliable rudder pedal function.

Airworthiness Directive
  • Boeing 737

EASA AD US-2022-05-04

Feb 25, 2022

Superseded by FAA AD 2023-12-13

FAA Airworthiness Directive 2022-05-04 is a final rule addressing all Boeing 737 series airplanes except the 737-200 and -200C models equipped with the SP-77 flight control system. The directive responds to interference risks from 5G C-Band wireless broadband operations affecting radio altimeters and related aircraft systems during critical flight phases. It mandates revisions to the airplane flight manual to include specific operating procedures to mitigate these interference effects.

Airworthiness Directive
  • Boeing 737

EASA AD US-2021-25-05

Jan 31, 2022

Fuselage - Crown Skin Panels - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-25-05 addresses safety concerns for The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive focuses on inspecting and replacing fuselage crown skin panels that are susceptible to widespread fatigue damage, which could compromise the structural integrity of the aircraft.

Airworthiness Directive
  • Boeing 737100200200C300400500