RegNotify

EASA Regulations for Boeing 737

164 airworthiness directives and regulations affecting Boeing 737.

EASA AD US-2020-26-04

Fuselage - Skin Panels - Inspection / Repair / Installation

Airworthiness Directive 2020-26-04 is a final rule issued by the FAA addressing certain Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates inspections and repairs of fuselage skin panels, specifically targeting cracking along chem-milled lines. This directive updates and expands previous inspection requirements to ensure continued airworthiness.

Dec 22, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-100Boeing 737-200Boeing 737-200CBoeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2020-24-02

NOT ADOPTED - EASA DECISION ATTACHED

The Federal Aviation Administration's final rule titled Airworthiness Directive 2020-24-02 supersedes AD 2018-23-51 and applies to Boeing 737-8 and 737-9 (737 MAX) airplanes. It mandates software updates to the flight control computer and MAX display system, revisions to the Airplane Flight Manual, wiring modifications, angle of attack sensor system tests, and operational readiness flights. This directive addresses unsafe conditions related to erroneous angle of attack sensor inputs that could cause repeated nose-down horizontal stabilizer trim.

Nov 20, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-8Boeing 737-9

EASA AD US-2020-18-13

NOT ADOPTED - EASA DECISION ATTACHED

The document titled NOT ADOPTED - EASA DECISION ATTACHED is a Federal Aviation Administration (FAA) final rule airworthiness directive (AD 2020-18-13) addressing certain Boeing 737-600, -700, -700C, -800, -900, and -900ER series airplanes. It mandates modifications to the fuel quantity indicating system (FQIS) to prevent ignition sources inside the center fuel tank caused by electrical faults. The directive also includes alternative actions for cargo-configured airplanes to mitigate the risk of fuel tank explosions.

Oct 1, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-600Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900Boeing 737-900ER

EASA AD US-2020-17-04

Equipment / Furnishings - Passenger Service Units and Lanyard Assemblies on the Life Vest Panels - Installation

The Equipment / Furnishings - Passenger Service Units and Lanyard Assemblies on the Life Vest Panels - Installation is a Federal Aviation Administration (FAA) Airworthiness Directive (AD 2020-17-04) that applies to certain Boeing 737-300, -400, and -500 series airplanes. This AD addresses the installation of lanyard assemblies on passenger service units (PSUs) and life vest panels to prevent detachment during survivable accidents. It supersedes a previous directive and mandates additional installation requirements for five specific airplanes.

Aug 26, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-300Boeing 737-400Boeing 737-500

EASA AD ISR-I-53-2019-12-6R2

Loading Restrictions due to 9G Barrier Manufacturing Non-Compliance

Loading Restrictions due to 9G Barrier Manufacturing Non-Compliance is a regulatory document addressing loading limitations on Boeing 737 aircraft modified under Israel Aerospace Industries Ltd and associated STCs including CAA Israel STC SA136, SA160, SA299, and EASA STCs 10015542, 10016227, EASA.IM.A.S.01426, and EASA.IM.A.S.02479. The document highlights issues related to non-compliance in the manufacturing of 9G barriers installed on these aircraft. It applies specifically to Boeing 737 models equipped with these modifications.

Aug 25, 2020
Safety DirectiveSafety MgmtMaintenanceBoeing 737Israel Aerospace Industries CAA Israel STC SA136Israel Aerospace Industries CAA Israel STC SA160Israel Aerospace Industries CAA Israel STC SA299

EASA AD US-2020-14-03

Wings - Strut to Wing Diagonal Brace & Nacelle Support Overwing Fitting - Inspection

Federal Aviation Administration Airworthiness Directive 2020-14-03 is a final rule addressing all Boeing 737-300, -400, and -500 series airplanes. It mandates inspections of the strut to wing diagonal brace and the nacelle support overwing fitting to detect fatigue cracking. The directive includes visual, ultrasonic, and magnetic inspections depending on airplane configuration to ensure structural integrity.

Aug 20, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2020-16-51

[Final Rule] Pneumatic - Engine Bleed Stage 5 Check Valves - Inspection

The Final Rule titled 'Pneumatic - Engine Bleed Stage 5 Check Valves - Inspection' is an airworthiness directive issued by the FAA for all Boeing 737-300, -400, -500, -600, -700, -700C, -800, -900, and -900ER series airplanes. It mandates inspections and, if necessary, replacement of the engine bleed air 5th stage check valves on each engine due to reports of valves stuck open causing single-engine shutdowns. This directive addresses a critical safety risk related to potential dual-engine power loss.

Aug 11, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-300Boeing 737-400Boeing 737-500Boeing 737-600Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900Boeing 737-900ER

EASA AD US-2020-14-09

Fuel - Kathon FP 1.5 Biocide - Removal / Installation / Airplane Flight Manual Revision

The Fuel - Kathon FP 1.5 Biocide - Removal / Installation / Airplane Flight Manual Revision is a Federal Aviation Administration (FAA) Airworthiness Directive (AD) addressing certain Boeing 737-8 and 737-9 (737 MAX) airplanes equipped with CFM LEAP-1B engines. This AD requires removal of Kathon FP 1.5 biocide from fuel tanks and engines, installation of a fuel limitation placard, and revision of the airplane flight manual to prohibit operation with this biocide in the fuel system. The directive responds to engine anomalies linked to the biocide causing fuel control instability and potential loss of thrust control.

Jul 15, 2020
Airworthiness DirectiveMaintenanceSafety MgmtFlight OpsBoeing 737Boeing 737-8Boeing 737-9

EASA AD US-2020-11-12

Nacelles / Pylons - Thumbnail Fairing and Mid Strut Fairing Panels - Inspection / Replacement / Modification

Federal Aviation Administration Airworthiness Directive 2020-11-12 is a final rule addressing certain Boeing 737-8 and 737-9 airplanes. It focuses on inspection, replacement, and modification of the thumbnail fairing and mid strut fairing panels on the engine nacelle and strut to ensure proper electrical bonding and shielding against high intensity radiated fields (HIRF). This directive aims to prevent potential dual-engine power loss and misleading propulsion parameter displays.

Jun 29, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-8Boeing 737-9

EASA AD 2020-0044

SUPERSEDED BY EASA AD 2024-0002

EASA Airworthiness Directive 2020-0044 is an airworthiness directive issued by the European Union Aviation Safety Agency addressing certain CFM International CFM56-5B, CFM56-5C, and CFM56-7B engine models installed on Airbus A318, A319, A320, A321, A340, and Boeing 737 series aircraft. The directive mandates inspection and potential replacement of high-pressure turbine inner stationary seals to prevent damage caused by honeycomb separation. This directive aims to ensure continued airworthiness and safety of affected engines and aircraft.

Mar 3, 2020
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7BAirbus A318Airbus A319Airbus A320Airbus A321Airbus A340Boeing 737

EASA AD US-2020-03-10

Fuselage - Fairing Panel 194E, Wheel Well Panel 193D & Support Structure - Inspection

The Federal Aviation Administration's Airworthiness Directive 2020-03-10 addresses The Boeing Company Model 737 series airplanes, excluding the 737-100, -200, -200C, -300, -400, and -500 series. This directive mandates inspections and corrective actions for the lower aft wing-to-body fairing panel 194E, wheel well panel 193D, and their support structures due to reported in-flight separation caused by worn or damaged nutplates.

Feb 25, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737

EASA AD US-2020-03-20

SUPERSEDED BY FAA AD 2025-02-07

FAA Airworthiness Directive 2020-03-20 is a final rule addressing certain Boeing aircraft models including MD-11, MD-11F, 717-200, all 737-8 and 737-9, all 737-600/-700/-700C/-800/-900/-900ER series, certain 747-400 and 747-400F, certain 757 and 767, and all 777 airplanes. This directive requires revising the airplane flight manual to prohibit operations requiring less than 0.3 required navigational performance (RNP) within a specified geographic area for airplanes equipped with a Collins GLU-2100 multi-mode receiver (MMR) with certain software versions. The AD was issued due to reports of loss or degradation of GPS data affecting positional accuracy.

Feb 18, 2020
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 717Boeing 737Boeing 747Boeing 757Boeing 767Boeing 777Boeing MD-11McDonnell Douglas MD-11McDonnell Douglas MD-11FBoeing 717-200Boeing 737-8Boeing 737-9Boeing 737-600Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900Boeing 737-900ERBoeing 747-400Boeing 747-400F

EASA AD US-2020-02-16

Fuselage - Lower Skin of the Fuselage Skin Lap Splices - Inspection

The Federal Aviation Administration's Airworthiness Directive 2020-02-16 is a final rule addressing certain Boeing 737-200, -200C, -300, -400, and -500 series airplanes. It mandates inspections of the lower skin of the fuselage skin lap splices along the lower fastener row of a specific stringer lap splice on certain body station skin panels due to potential widespread fatigue damage. The directive aims to detect and mitigate scratch cracks and fatigue cracking that could compromise structural integrity.

Feb 17, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-200Boeing 737-200CBoeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2019-23-16

Wings - Left and Right Upper Wing Skin - Inspection

The Federal Aviation Administration's Airworthiness Directive 2019-23-16 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates inspections of the left and right upper wing skin to detect cracks that could lead to fuel leaks and compromise structural integrity. It requires repetitive high frequency eddy current (HFEC) and general visual inspections along with necessary repairs.

Jan 29, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-100Boeing 737-200Boeing 737-200CBoeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2020-01-11

Air Conditioning - Temperature Control Valve / Control Cabin Trim Air Modulating Valve - Replacement

Airworthiness Directive 2020-01-11 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 737-800, -900, and -900ER series airplanes. It mandates the replacement of the left temperature control valve and control cabin trim air modulating valve to prevent in-flight failures that could cause excessive temperatures in the flight deck or passenger cabin. This directive updates and expands the applicability of the previous AD 2017-12-07.

Jan 21, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-800Boeing 737-900Boeing 737-900ER

EASA AD US-2019-23-14

[Correction] Fuel - Maintenance or Inspection Program - Revision

Correction to FAA Airworthiness Directive 2019-23-14 concerning The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This correction fixes an incorrect service information reference related to fuel tank ignition prevention and nitrogen generation system maintenance requirements. The directive mandates revisions to maintenance or inspection programs to incorporate updated airworthiness limitations.

Jan 17, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-100Boeing 737-200Boeing 737-200CBoeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2019-19-10

Airplane Flight Manual / Minimum Equipment List - Revision / Fuel Crossfeed Valve Operational Check

The Airplane Flight Manual / Minimum Equipment List - Revision / Fuel Crossfeed Valve Operational Check is a final rule airworthiness directive issued by the FAA affecting all Boeing 737-300 through 900ER series, 757, 767, 777, and 787-8 and 787-9 airplanes. It addresses reports of fuel crossfeed valves failing to open during flight, which could lead to fuel starvation and forced off-airport landings. The directive mandates revisions to the airplane flight manual and minimum equipment list to ensure operational checks of fuel crossfeed valves prior to extended operations (ETOPS) flights when certain valves or fuel balancing systems are inoperative.

Jan 14, 2020
Airworthiness DirectiveFlight OpsMaintenanceSafety MgmtBoeing 737Boeing 757Boeing 767Boeing 777Boeing 787Boeing 737-300Boeing 737-400Boeing 737-500Boeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900ERBoeing 787-8Boeing 787-9

EASA AD US-2019-24-15

Equipment / Furnishings - Head Strike Pads - Replacement

Federal Register Volume 84, Number 249, Final Rule Airworthiness Directive 2019-24-15 issued by the FAA addresses certain Boeing 737-900ER series airplanes. This directive mandates the replacement of nonconforming head strike pads on the left and right mid exit doors with conforming pads to ensure passenger safety during emergency landings.

Jan 13, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-900ER

EASA AD US-2019-23-12

Wings - Fuel Tanks - Modification

Federal Register Volume 84, Number 236 (2019-23-12) is a final rule airworthiness directive issued by the FAA that applies to all Boeing 737-300, -400, and -500 series airplanes. It addresses fuel system safety by requiring modifications to the fuel tanks and associated components to prevent potential ignition sources. The directive mandates specific maintenance actions including applying sealant to fuel tank fasteners, replacing wire bundle clamps external to the fuel tanks, and installing Teflon sleeving under these clamps.

Jan 7, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 737-300Boeing 737-400Boeing 737-500

EASA AD US-2019-25-17

SUPERSEDED BY FAA AD 2024-16-10

FAA Airworthiness Directive 2019-25-17 is a final rule addressing Boeing 737 Next Generation series airplanes, specifically models 737-600, -700, -700C, -800, -900, and -900ER. It requires revising the airplane flight manual to prohibit selection of certain runways equipped with specific software combinations that cause display electronic unit software errors. The directive targets operations at seven specific runways in the U.S., Colombia, and Guyana to prevent display blanking during instrument approaches.

Jan 6, 2020
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 737