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EASA Regulations for Boeing 747-400

25 airworthiness directives and regulations affecting Boeing 747-400.

EASA AD US-2023-18-06

Wings - Inboard Foreflaps - Inspection / Replacement

Airworthiness Directive 2023-18-06 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing Model 747 series airplanes, including 747-100, 747-200, 747-300, 747-400, and 747SR variants. This directive focuses on the inspection, lubrication, and replacement of inboard foreflap components to prevent partial or full departures of the foreflap assembly. The directive incorporates updated service information from Boeing and mandates repetitive inspections and maintenance actions to ensure continued airworthiness.

Oct 30, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 747-400Boeing 747SR

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

EASA AD US-2023-03-20

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

The FAA Airworthiness Directive 2023-03-20 is a final rule addressing all Boeing Model 747-400, -400D, and -400F series airplanes. It mandates revisions to the maintenance or inspection programs to incorporate new or more restrictive airworthiness limitations related to the fuel system. This directive aims to enhance safety by reducing the risk of fuel tank ignition sources.

Mar 28, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-400DBoeing 747-400F

EASA AD US-2022-27-07

SUPERSEDED BY FAA AD 2023-07-09

FAA Airworthiness Directive 2022-27-07 is a final rule addressing certain Boeing 747-400 and 747-8 series airplanes. It requires inspections and corrective actions for wear on the motor impeller inlet adapters and inlet check valves of the horizontal stabilizer fuel tank transfer pumps to prevent potential fuel tank ignition sources. This directive aims to mitigate the risk of fuel tank explosions caused by wear-induced steel-on-steel contact within the pump assembly.

Jan 5, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-8

EASA AD US-2022-25-04

Equipment / Furnishings - Door 5 Ceiling Stowage Boxes - Replacement / Operation Check

The Federal Aviation Administration Airworthiness Directive 2022-25-04 is a final rule addressing certain Boeing 747-400 and 747-8 series airplanes. It mandates replacement and operational checks of door 5 ceiling stowage box snubbers to prevent free-fall incidents that have caused injuries to flight attendants. This directive targets snubbers with part number SP5378 and introduces a replacement snubber, part number SP26172.

Dec 19, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-8

EASA AD US-2022-15-07

Aircraft Flight Manual - Non-Normal Procedures Section - Amendment

The Aircraft Flight Manual - Non-Normal Procedures Section - Amendment is a final rule airworthiness directive issued by the Federal Aviation Administration (FAA) affecting certain Boeing 747-400 series airplanes with a three air data computer configuration. It addresses an unsafe condition related to loss of power to the right-hand side pitot-static probe heaters and conflicting procedures in the flightcrew operations manual and quick reference handbook.

Aug 15, 2022
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 747Boeing 747-400

EASA AD US-2022-10-11

Wings - Fuel Tank Fasteners - Inspection / Maintenance Program Revision

The Federal Aviation Administration's Airworthiness Directive 2022-10-11 addresses certain Boeing 747 series airplanes, including models 747-100B SUD, 747-200B/C/F, 747-300, 747SP, 747-400/D/F. This directive focuses on inspecting and maintaining fuel tank fasteners that have insufficient bonding, which could lead to arcing during lightning strikes or electrical faults. It mandates revisions to maintenance programs to include more restrictive airworthiness limitations to enhance fuel tank safety.

Jun 23, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100B SUDBoeing 747-200BBoeing 747-200CBoeing 747-200FBoeing 747-300Boeing 747SPBoeing 747-400Boeing 747-400DBoeing 747-400F

EASA AD US-2021-26-10

Equipment / Furnishings - BMS 8-39 Urethane Foam Fire-Retardant Seals - Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-26-10 addresses certain Boeing 747-400, -400D, and -400F series airplanes. It mandates the replacement of Boeing Material Specification (BMS) 8-39 urethane foam seals used in various areas of these aircraft due to deterioration of their fire-retardant properties over time. This directive aims to maintain fire safety by ensuring proper sealing in critical compartments.

Feb 15, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-400DBoeing 747-400F

EASA AD US-2021-14-10

Equipment / Furnishings - Forward Cargo Compartment Insulation Blankets - Inspection

The Federal Aviation Administration (FAA) Airworthiness Directive 2021-14-10 is a final rule addressing certain Boeing 747-400, 747-400D, and 747-400F series airplanes. It mandates inspections of the forward cargo compartment insulation blankets for degraded Boeing Material Specification (BMS) 8-39 urethane foam, which has diminished fire-retardant properties with age. The directive requires replacement of exposed or compromised foam and seals to maintain fire safety standards.

Jul 27, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-400DBoeing 747-400F

EASA AD 2021-0135

Oxygen — Low-Pressure Oxygen Flexible Hoses — Replacement

EASA Airworthiness Directive 2021-0135 is an airworthiness directive addressing the replacement of low-pressure oxygen flexible hoses installed on certain Boeing 737-700, 737-800, 747-400, 747-8, 767-400ER, and 777-200 aircraft modified by Lufthansa Technik AG Supplemental Type Certificates. The directive targets conductive oxygen flex-hoses in gaseous passenger oxygen systems that pose a fire risk. It mandates replacing these with non-conductive hoses to ensure continued airworthiness and safety.

Jun 2, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 747Boeing 767Boeing 777Boeing 737-700Boeing 737-800Boeing 747-400Boeing 747-8Boeing 767-400ERBoeing 777-200

EASA AD US-2021-07-09

SUPERSEDED BY FAA AD 2023-03-15

FAA Airworthiness Directive 2021-07-09 is a final rule superseding AD 2007-07-03 and applies to certain Boeing 747 series airplanes including models 747-100, 747-200, 747-300, 747-400, 747SR, and 747SP. It addresses issues with hot air leaking from trim air diffuser ducts (TADDs), including failures of high temperature composite material TADDs, which can damage the center wing fuel tank and create a fire or explosion risk. The directive mandates repetitive inspections and corrective actions to ensure continued airworthiness.

Apr 16, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 747-400Boeing 747SRBoeing 747SP

EASA AD US-2021-02-15

SUPERSEDED BY FAA AD 2023-18-06

FAA Airworthiness Directive 2021-02-15 is a final rule addressing certain Boeing Company Model 747 series airplanes, including 747-100, 747-200, 747-300, 747-400, and 747SR variants. It responds to reports of inboard foreflap departures by mandating inspections, repetitive part replacements, lubrication, and on-condition corrective actions to ensure continued airworthiness and safety.

Feb 25, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 747-400Boeing 747SR

EASA AD US-2020-18-02

NOT ADOPTED - EASA DECISION ATTACHED

The document titled NOT ADOPTED - EASA DECISION ATTACHED is an EASA decision regarding the FAA Airworthiness Directive 2020-18-02. This FAA AD applies to certain Boeing 747-400, 747-400D, and 747-400F series aircraft and mandates modifications to the fuel quantity indicating system to prevent ignition sources inside the center fuel tank. EASA has decided not to adopt this FAA AD due to insufficient data to justify the required corrective actions.

Oct 26, 2020
Agency DecisionMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-400DBoeing 747-400F

EASA AD US-2020-15-14

Fuselage - Longeron Extension Fittings - Inspection

Airworthiness Directive 2020-15-14 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 747 series airplanes, including models 747-100, 747-200, 747-300, 747-400, 747-400F, 747SR, and 747SP. This directive mandates repetitive inspections of the fuselage longeron extension fittings for cracking and requires repairs if cracks are found. It applies to airplanes identified in Boeing Service Bulletin 747-53A2860, Revision 3, dated November 11, 2019.

Aug 14, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 747-400Boeing 747-400FBoeing 747SRBoeing 747SP

EASA AD US-2020-04-11

Fuselage - Upper Skin Lap Splice - Inspection

The Federal Register Volume 85, Number 46 Airworthiness Directive 2020-04-11 is a final rule issued by the FAA addressing certain Boeing 747-400 series airplanes. It mandates repetitive low frequency eddy current (LFEC) and high frequency eddy current (HFEC) inspections of the fuselage upper skin lap splice to detect fatigue cracks. The directive includes required on-condition repair actions to maintain structural integrity.

Mar 10, 2020
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400

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-2019-22-02

SUPERSEDED BY FAA AD 2025-01-08

FAA Airworthiness Directive 2019-22-02 is a final rule addressing uncommanded fore and aft movement of the Captain's and First Officer's seats on all Boeing 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747-8F, and 747-8 series airplanes. The directive mandates repetitive inspections and checks of the horizontal movement system and actuators, detailed inspections for certain airplanes, and applicable corrective actions. It also provides an optional terminating action for certain seat models to resolve the unsafe condition.

Dec 16, 2019
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-200BBoeing 747-200CBoeing 747-200FBoeing 747-300Boeing 747-400Boeing 747-400DBoeing 747-400FBoeing 747-8FBoeing 747-8

EASA AD US-2019-19-02

Fuselage - Underwing Longerons - Inspection

Federal Register Volume 84, Number 205 (October 23, 2019) Final Rule titled 'Fuselage - Underwing Longerons - Inspection' is an FAA Airworthiness Directive (AD 2019-19-02) applicable to certain Boeing 747-400 and 747-400F series airplanes. It mandates repetitive inspections of the underwing longerons and adjacent fuselage skins to detect fatigue cracks and requires corrective actions if cracks are found.

Oct 29, 2019
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-400F

EASA AD US-2018-16-06

Fuselage - Boeing Material Specification (BMS) 8-39 Flexible Urethane Foam - Inspection / Modification / Replacement

The Federal Aviation Administration's Airworthiness Directive 2018-16-06 addresses certain Boeing Model 747 series airplanes, including the 747-100, -200, -300, -400, 747SP, 747SR, and 747-8 series. This directive focuses on inspecting, modifying, and replacing Boeing Material Specification (BMS) 8-39 flexible urethane foam used in fuselage floor panel assemblies and power drive unit cover assemblies. The AD aims to mitigate fire risks associated with the degradation of this foam material.

Aug 9, 2018
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 747-400Boeing 747SPBoeing 747SRBoeing 747-8

EASA AD US-2018-09-12

Oxygen - Low-Pressure Passenger Oxygen System - Replacement / Inspection

Airworthiness Directive 2018-09-12 issued by the Federal Aviation Administration addresses certain Boeing 747-200B, 747-300, and 747-400 series airplanes equipped with therapeutic oxygen in the gaseous passenger oxygen system. The directive mandates replacement of specific low-pressure oxygen flex-hoses with new non-conductive versions and requires a general visual inspection to verify minimum clearance of oxygen system components from adjacent structures. This directive aims to prevent potential oxygen-fed fires caused by electrical short circuits affecting the oxygen flex-hoses.

May 24, 2018
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-200BBoeing 747-300Boeing 747-400