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EASA Regulations for Boeing 747

75 airworthiness directives and regulations affecting Boeing 747.

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-2023-03-15

Air Conditioning - Trim Air Diffuser Ducts - Inspection / Replacement

Airworthiness Directive 2023-03-15 is a final rule issued by the Federal Aviation Administration addressing all Boeing Model 747 series airplanes including 747-100, 747-200, 747-300, 747-400, 747SR, and 747SP variants. This directive focuses on the inspection and replacement of trim air diffuser ducts (TADDs) to prevent damage that could lead to fuel leakage and potential fire or explosion hazards. It supersedes previous requirements and updates inspection and replacement protocols for these critical air conditioning components.

Mar 13, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

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SUPERSEDED BY FAA AD 2023-07-09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-2022-24-15

Wings - Fuse Pin of the Landing Gear Beam End Fitting - Replacement / Inspection

Airworthiness Directive 2022-24-15 is a final rule issued by the FAA addressing The Boeing Company Model 747 series airplanes, including 747-100 through 747-8 series. It mandates repetitive replacement and inspection of fuse pins at the wing landing gear beam end fitting to detect and prevent cracking or failure. This directive aims to ensure continued airworthiness and safety of these aircraft by mitigating risks associated with broken fuse pins.

Jan 5, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

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-2022-17-03

Time Limits / Maintenance Checks — Airworthiness Limitations for Fuel Tank Safety — Amendment

The Federal Aviation Administration's Airworthiness Directive 2022-17-03 is a final rule addressing all Boeing 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747SR, and 747SP series airplanes. This directive mandates updates to the maintenance or inspection programs to incorporate the latest airworthiness limitations related to fuel tank ignition prevention. The directive aims to mitigate the risk of fuel tank explosions caused by ignition sources within fuel tanks.

Sep 16, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-100BBoeing 747-100B SUDBoeing 747-200BBoeing 747-200CBoeing 747-200FBoeing 747-300Boeing 747SRBoeing 747SP

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-2022-15-07

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-2022-08-14

Fuselage - Crown Stringers - Inspection

Federal Register Volume 87, Number 88 (May 6, 2022) Final Rule titled 'Fuselage - Crown Stringers - Inspection' is a new airworthiness directive issued by the FAA for all Boeing 747-8F series airplanes. It addresses reports of cracking in the fuselage crown stringers between station 740 and 1000, specifically stringers S-7 to S-12. The directive mandates repetitive detailed inspections and applicable on-condition repairs to maintain structural integrity.

May 10, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-8F

EASA AD US-2022-07-06

Instruments - Electronic Flight Instrument System Interface Unit - Inspection / Replacement

The Federal Aviation Administration (FAA) Airworthiness Directive 2022-07-06 is a final rule addressing certain Boeing 747-8F and 747-8 series airplanes. It mandates inspection and possible replacement of the left, center, and right electronic flight instrument system (EFIS)/engine indication and crew alerting system (EICAS) interface units (EIUs) with specific serial numbers. This directive aims to correct unusual flight instrument and EICAS behavior that could compromise flight safety.

Apr 26, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-8FBoeing 747-8

EASA AD US-2022-06-16

SUPERSEDED BY FAA AD 2023-12-14

FAA Airworthiness Directive 2022-06-16 is a final rule addressing all Boeing 747 series airplanes including models 747-100 through 747-400F. It mandates revisions to the airplane flight manual to incorporate specific operating procedures related to takeoff, instrument landing system approaches, non-precision approaches, and go-around maneuvers in the presence of 5G C-Band interference. This directive aims to mitigate risks posed by interference with radio altimeters from wireless broadband operations in the 3.7-3.98 GHz frequency band.

Mar 17, 2022
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 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-2022-03-05

SUPERSEDED BY FAA AD 2023-12-05

FAA Airworthiness Directive 2022-03-05 is a final rule addressing all Boeing Model 747-8F, 747-8 series, and 777 airplanes. It mandates revisions to the airplane flight manual to prohibit dispatch and landing operations at airports affected by 5G C-Band interference, which can disrupt radio altimeter functions critical to flight control systems. This directive aims to mitigate risks from erroneous radio altimeter data caused by interference from wireless broadband operations in the 3.7-3.98 GHz frequency band.

Jan 27, 2022
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 747Boeing 777Boeing 747-8FBoeing 747-8

EASA AD US-2021-17-06

Fuselage - Front Spar Shear Tie and Intercostal Lug Fitting - Inspection

FAA Airworthiness Directive 2021-17-06 is a final rule addressing all Boeing Model 747 series airplanes including 747-100 through 747SP variants. It mandates inspections of the front spar shear tie and intercostal lug fitting for cracks using detailed and high frequency eddy current methods. The directive aims to ensure structural integrity and prevent potential cargo restraint failures or fuel tank ruptures.

Sep 1, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747

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 2021-0138

Time Limits / Maintenance Checks — Damage Tolerance of Fatigue Critical Structure — Implementation

EASA Airworthiness Directive 2021-0138 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Boeing 747-400F aeroplanes equipped with EASA Supplemental Type Certificate 10068342. It mandates updated maintenance checks and time limits related to the damage tolerance of fatigue critical structures following the installation of a dual non-activated GNSS unit and antenna. The directive ensures continued airworthiness by requiring compliance with revised maintenance programs and instructions.

Jun 9, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 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-2021-08-04

Oxygen - Oxygen Mask Stowage Box Unit - Inspection / Replacement

Airworthiness Directive 2021-08-04 is a final rule issued by the Federal Aviation Administration addressing crew oxygen mask stowage box units on certain Boeing airplanes, including Model 737-700, -700C, -800, -900ER, Model 747-400F, and Model 767-200 and -300 series. The directive requires inspections and possible replacement or re-identification of affected oxygen mask stowage box units to prevent potential ignition sources or valve jams. This AD expands the applicability beyond the original scope of AD 2013-07-09 to include additional airplane models.

Apr 26, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 747Boeing 757Boeing 767Boeing 737-700Boeing 737-700CBoeing 737-800Boeing 737-900ERBoeing 747-400FBoeing 767-200Boeing 767-300

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