RegNotify

EASA Regulations for Boeing 747

75 airworthiness directives and regulations affecting Boeing 747.

EASA AD ISR-I-35-26-01-01

Potential of arcing, fire and/or loss of crew oxygen supply due to insufficient clearances between electrical wiring and flexible oxygen hose

Airworthiness Directive AD ISR I-35-26-01-01 issued by the Civil Aviation Authority of Israel addresses a safety issue on Boeing 747-400 freighter aircraft converted under CAAI STC SA-151 or SA-152 and their validated equivalents. The directive highlights the risk of arcing, fire, and loss of crew oxygen supply caused by insufficient clearance between electrical wiring and the flexible crew oxygen hose. It requires inspection and corrective action to prevent potential hazards related to chafing and damage to oxygen hoses and electrical wiring.

Jan 1, 2026
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Israel Aerospace Industries CAA Israel STC SA151Israel Aerospace Industries CAA Israel STC SA152

EASA AD US-2025-15-07

Equipment / Furnishings - Captain's and First Officer's Seats - Inspection / Check

Airworthiness Directive 2025-15-07 is a final rule issued by the Federal Aviation Administration addressing The Boeing Company Model 747 series airplanes, including 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747-8F, and 747-8. It focuses on inspection and checks of the Captain's and First Officer's seats, specifically the horizontal movement system (HMS), to ensure safety and prevent uncommanded seat movement during critical flight phases.

Jul 31, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

EASA AD US-2025-09-08

Stabilizers - Outboard Elevators - Maintenance Records Check / Inspection

The Federal Aviation Administration's Airworthiness Directive 2025-09-08 addresses a safety issue affecting all Boeing Model 747 series airplanes. The directive requires a maintenance records check or inspection to verify whether certain outboard elevators, specifically part numbers 654U6625-2411 and 654U6625-2412, have been installed with the necessary balance weights. This action is necessary due to reports of elevators installed without balance weights, which poses safety risks.

May 5, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

EASA AD US-2025-02-07

Navigation - Aeroplane Flight Manual - Revision / Software Installation

Airworthiness Directive 2025-02-07 is a final rule issued by the Federal Aviation Administration addressing certain Boeing airplanes including Model MD-11, MD-11F, 717-200, 737-600 through 737-9 series, 747-400 series, 757, 767, and 777. The directive focuses on updating the Aeroplane Flight Manual and installing updated multimode receiver (MMR) operational software to address issues with Coordinated Universal Time calculation errors and simultaneous MMR resets. This affects airplanes equipped with Collins GLU-2100 MMR part number 822-2532-100 with software versions earlier than COL4C-0087-0003.

Mar 12, 2025
Airworthiness DirectiveFlight OpsMaintenanceSafety MgmtBoeing 717Boeing 737Boeing 747Boeing 757Boeing 767Boeing 777Boeing MD-11

EASA AD US-2025-03-10

Water / Waste - Exposed Potable Water Supply Lines - Installation

The Federal Aviation Administration's Airworthiness Directive 2025-03-10 addresses certain Boeing 747-400, 747-400F, 747-8F, and 747-8 series airplanes. It mandates modifications to exposed potable water supply lines to prevent water leaks that could affect critical electronic systems. This directive aims to enhance safety by mitigating risks associated with water intrusion into the main electronics center.

Feb 20, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

EASA AD US-2025-01-08

SUPERSEDED BY FAA AD 2025-15-07

Airworthiness Directive 2025-01-08 is a final rule issued by the Federal Aviation Administration (FAA) that supersedes AD 2019-22-02. It applies to all Boeing Model 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747-8F, and 747-8 series airplanes. The directive addresses uncommanded fore and aft movement of the Captain's and First Officer's seats by requiring inspections and on-condition actions for affected seat part numbers.

Feb 14, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

EASA AD US-2025-02-05

Landing Gear - Outer Cylinders - Replacement

The Federal Register document titled "Landing Gear - Outer Cylinders - Replacement" is a final rule airworthiness directive (AD 2025-02-05) issued by the FAA affecting all Boeing Model 747 series airplanes including 747-100, 747-200, 747-300, 747-400, 747SP, and 747SR variants. The AD addresses a safety issue related to improper inner diameter grinding of landing gear outer cylinders that may cause heat damage to the nose, body, and wing landing gear outer cylinders. This directive mandates the replacement of any affected outer cylinders to ensure continued airworthiness.

Feb 12, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

EASA AD US-2024-19-01

Fuselage -Upper Fastener Row of the Fuselage Skin Lap Splice - Inspections

The document titled 'Fuselage -Upper Fastener Row of the Fuselage Skin Lap Splice - Inspections' is a regulatory directive focusing on inspection requirements for the upper fastener row of the fuselage skin lap splice. It addresses potential structural integrity concerns related to this specific area of the aircraft fuselage. The directive applies to affected aircraft models that utilize this fuselage design, although specific aircraft types or engine models are not explicitly mentioned in the provided content.

Nov 4, 2024
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

EASA AD US-2024-16-03

Wings - Fastener Collars inside the Fuel Tanks - Application of Cap Seals

The document titled 'Wings - Fastener Collars inside the Fuel Tanks - Application of Cap Seals' is a regulatory communication addressing the installation of cap seals on fastener collars located inside aircraft fuel tanks. It is intended for aviation maintenance and engineering professionals involved with aircraft fuel system integrity. The document does not specify particular aircraft models or engine types affected.

Sep 27, 2024
Safety Information BulletinMaintenanceSafety MgmtBoeing 747

EASA AD US-2024-02-03

Instruments - Electronic Flight Instrumentation System / Engine Indicating and Crew Alerting System Interface Units - Modification

The Federal Aviation Administration's Airworthiness Directive 2024-02-03 addresses certain Boeing 747-8 and 747-8F series airplanes. This final rule mandates updated software installation for the Electronic Flight Instrumentation System and Engine Indicating and Crew Alerting System Interface Units to prevent display failures and improve airspeed alerting during landing.

Feb 19, 2024
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-8Boeing 747-8F

EASA AD US-2023-23-14

Fuel - Engine Fuel Feed System - Inspection / Measurement

Federal Aviation Administration Airworthiness Directive 2023-23-14 is a final rule addressing all Boeing Company Model 747 airplanes. It mandates inspections and electrical bonding resistance measurements of the engine fuel feed system's out-tank fuel feed tube bonding jumper and front spar bulkhead fitting adapter to mitigate latent failures in lightning protection features. The directive aims to prevent potential ignition sources inside fuel tanks during lightning strikes.

Dec 1, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

EASA SIB SAFO23004

Erroneous Maximum Takeoff Weight Calculation from Boeing Performance Engineer's Tool Reporters

The document titled 'Erroneous Maximum Takeoff Weight Calculation from Boeing Performance Engineer's Tool Reporters' is a Safety Alert for Operators (SAFO 23004) issued by the FAA. It addresses an issue affecting Boeing airplane models 737-200, 737-300, 737-400, 737-500, 747-200, 747-300, 747-400, 757-200, 767-200, and 767-300, where the Boeing Performance Engineer's Tool (PET) Reporters may calculate incorrect Maximum Takeoff Weight (MTOW) values. This error impacts takeoff performance calculations, particularly when using the Improved Climb feature, potentially leading to safety risks such as runway overruns or insufficient climb performance.

Aug 8, 2023
Safety Information BulletinFlight OpsSafety MgmtBoeing 737Boeing 747Boeing 757Boeing 767

EASA AD US-2023-14-03

Fuselage - Stringers of Forward and Aft of the Bulkhead - Inspection

The Federal Aviation Administration (FAA) Airworthiness Directive 2023-14-03 is a final rule addressing all Boeing Model 747-8F and 747-8 series airplanes. It mandates inspections of fuselage stringers, specifically those common to the end fittings forward and aft of the bulkhead at station 2598, due to reported cracks. The directive aims to prevent structural integrity issues caused by stress corrosion cracking in these stringers.

Aug 7, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-8FBoeing 747-8

EASA AD US-2023-11-11

Fuselage - Pressure Bulkhead Stringer Sidewalls / Assemblies - Inspection

The Federal Aviation Administration's Airworthiness Directive 2023-11-11 is a final rule addressing all Boeing 747-8 and 747-8F series airplanes. It mandates repetitive inspections of stringer sidewalls and assemblies near the pressure bulkhead at station 2360 due to reported cracks. This directive aims to ensure structural integrity by detecting and repairing stress corrosion cracking in critical fuselage components.

Aug 4, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-8Boeing 747-8F

EASA AD US-2023-12-08

Fuselage - Stringers and End Stringer Splice Assemblies - Inspection

Airworthiness Directive 2023-12-08 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 747-8 series airplanes. It mandates repetitive inspections of fuselage stringers and end stringer splice assemblies due to stress corrosion cracking found between station 2285 and 2300 on stringers S-17 to S-25. The directive aims to ensure structural integrity by detecting cracks, shims, or gaps that could compromise the airplane's safety.

Jul 10, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-8

EASA AD US-2023-12-18

Fuselage - Stringers and Stringer Splice Fittings - Inspection

Airworthiness Directive 2023-12-18 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 747-8 and 747-8F series airplanes. It mandates inspections of fuselage stringers and stringer splice fittings for cracking and the presence of radius fillers at fastener locations. The directive aims to ensure the structural integrity of these aircraft by identifying and correcting potential cracking issues in critical fuselage components.

Jul 10, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-8Boeing 747-8F

EASA AD US-2023-12-14

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) addressing Boeing Model 747 series airplanes, including 747-100 through 747-400F variants. This amendment supersedes a previous Airworthiness Directive and updates the airplane flight manual to include new limitations and operating procedures related to interference from 5G C-Band wireless broadband signals affecting radio altimeter performance.

Jun 26, 2023
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 747Boeing 747-100Boeing 747-400F

EASA AD US-2023-12-05

Aircraft Flight Manual - Limitations / Operating Procedures - Amendment

The document titled "Aircraft Flight Manual - Limitations / Operating Procedures - Amendment" is a Federal Aviation Administration (FAA) Airworthiness Directive (AD 2023-12-05) that applies to Boeing Model 747-8F, 747-8 series, and 777 airplanes equipped with radio altimeters. It addresses interference issues caused by wireless broadband operations in the 3.7-3.98 GHz 5G C-Band frequency range that affect the reliability of radio altimeters and related airplane systems.

Jun 26, 2023
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 747Boeing 777Boeing 747-8FBoeing 747-8

EASA AD 2021-0234R1

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.

May 11, 2023
Airworthiness DirectiveMaintenanceSafety MgmtAirbus A318Airbus A319Airbus A320Airbus A321Airbus A330Airbus A340ATR ATR42ATR ATR72Boeing 737Boeing 757Boeing 767Boeing 777Bombardier CL-600 (Challenger)De Havilland Canada DHC-8Fokker CRR-0146Fokker CRR-0185Fokker CRR-0186Fokker CRR-0190Fokker CRR-0206Fokker CRR-0210Fokker CRR-0241Fokker CRR-0265Fokker CRR-0290Fokker CRR-0300Fokker CRR-0309MHI RJ Aviation CL-600 (Regional Jet)Fokker F27Fokker F28Boeing 747Bombardier CL-600

EASA AD US-2023-07-09

Fuel - Horizontal Stabilizer Fuel Tank Motor Impeller Inlet Check Valves and Transfer Pump Inlet Adapters - Inspection

Airworthiness Directive 2023-07-09 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing Model 747-400 and 747-8 series airplanes. It mandates inspections of the transfer pump housing inlet check valves and transfer pump motor impeller inlet adapters in the horizontal stabilizer fuel tank for wear, with corrective actions as necessary. The directive also refines the applicability criteria and limits installation of affected parts to enhance safety.

Apr 18, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-8