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EASA Regulations & Airworthiness Directives

Browse 170 EASA regulations with AI-powered summaries.

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Filtered by: Boeing 737Clear filter

EASA AD US-2023-05-06

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.

May 9, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-8Boeing 737-9Boeing 737-8200

EASA AD US-2023-06-15

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.

May 8, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-600Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900Boeing 737-900ER

EASA AD US-2023-04-17

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.

Apr 26, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-8Boeing 737-9Boeing 737-600Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900Boeing 737-900ER

EASA AD US-2023-06-10

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.

Apr 4, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-8Boeing 737-8200Boeing 737-9

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

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.

Feb 13, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Israel Aerospace Industries CAA Israel STC SA136Israel Aerospace Industries CAA Israel STC SA160Israel Aerospace Industries CAA Israel STC SA299Israel Aerospace Industries CAA Israel STC SA300

EASA AD US-2022-24-09

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.

Jan 19, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737

EASA AD US-2022-25-15

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.

Jan 13, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-100Boeing 737-200Boeing 737-200CBoeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2022-21-05

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.

Oct 28, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2022-18-13

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.

Oct 12, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-600Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900

EASA AD US-2022-16-09

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.

Oct 10, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-8

EASA SIB SAFO22002

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.

Aug 22, 2022
Safety Information BulletinFlight OpsSafety MgmtBoeing 737Boeing 747Boeing 757Boeing 767Boeing 777Boeing 787

EASA AD US-2022-11-13

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.

Jul 4, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-700Boeing 737-800Boeing 737-900ER

EASA AD 2020-0261R1

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.

Jun 30, 2022
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-3CFM International CFM56-7BBoeing 737

EASA AD US-2022-06-06

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.

May 24, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737

EASA AD US-2022-05-04

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.

Feb 25, 2022
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 737

EASA AD US-2021-25-05

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.

Jan 31, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-100Boeing 737-200Boeing 737-200CBoeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2021-26-03

Fuselage - Frame Splice - Inspection

The Federal Register Volume 87, Number 11 Airworthiness Directive 2021-26-03 is a final rule issued by the FAA that applies to certain Boeing 737-300, -400, and -500 series airplanes. It addresses widespread fatigue damage in the fuselage frame splice between stringers S-13 and S-14, requiring inspections and corrective actions to ensure structural integrity. This directive mandates inspections for existing repairs and repetitive high frequency eddy current inspections for cracking in the affected fuselage frame splices.

Jan 31, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2022-03-20

SUPERSEDED BY FAA AD 2023-12-11

FAA Airworthiness Directive 2022-03-20 is a final rule affecting all Boeing 737-8, 737-9, and 737-8200 airplanes. It addresses interference with radio altimeters caused by 5G C-Band wireless broadband operations in the 3.7-3.98 GHz frequency band, which can impair critical aircraft systems during takeoff and landing. The directive mandates revisions to the airplane flight manual to include new limitations and operating procedures to mitigate these risks.

Jan 31, 2022
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 737Boeing 737-8Boeing 737-9Boeing 737-8200

EASA AD US-2021-25-09

Flight Controls - Angle of Attack Sensor - Inspection /Replacement

Federal Register Volume 86, Number 246, Final Rule titled 'Flight Controls - Angle of Attack Sensor - Inspection /Replacement' is an FAA Airworthiness Directive (AD 2021-25-09) applicable to Boeing 737-200 and -200C series airplanes. It addresses issues with angle of attack (AOA) sensors that may freeze due to insufficient heating, causing nuisance stick shaker activation during climb acceleration.

Jan 25, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-200Boeing 737-200C