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EASA Regulations for Boeing 747

80 airworthiness directives and regulations affecting Boeing 747.

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.

Airworthiness Directive

Airbus A318
Airbus A319
Airbus A320
Airbus A321
Airbus A330
Airbus A340
ATR ATR42
ATR ATR72
Boeing 737
Boeing 757
Boeing 767
Boeing 777
Bombardier CL-600 (Challenger)
De Havilland Canada DHC-8
Fokker CRR-0146
Fokker CRR-0185
Fokker CRR-0186
Fokker CRR-0190
Fokker CRR-0206
Fokker CRR-0210
Fokker CRR-0241
Fokker CRR-0265
Fokker CRR-0290
Fokker CRR-0300
Fokker CRR-0309
MHI RJ Aviation CL-600 (Regional Jet)
Fokker F27
Fokker F28
Boeing 747
Bombardier 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.

Airworthiness Directive

Boeing 7474008

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.

Airworthiness Directive

Boeing 747400400D400F

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.

Airworthiness Directive

Boeing 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.

Airworthiness Directive

Boeing 7474008

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.

Airworthiness Directive

Boeing 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.

Airworthiness Directive

Boeing 7474008

EASA AD 2022-0237

Engine — Low Pressure Turbine Stage 1 Discs — Life Reduction

EASA Airworthiness Directive 2022-0237 is an airworthiness directive addressing life reduction for Low Pressure Turbine Stage 1 discs on Rolls-Royce RB211-524 series engines. These engines are commonly installed on Boeing 747 and Boeing 767 aircraft. The directive mandates updated life limits and removal requirements for specific turbine discs to ensure continued airworthiness and safety.

Airworthiness Directive

Rolls-Royce Deutschland Ltd & Co Kg RB211-524
Boeing 747
Boeing 767

EASA AD US-2022-23-12

Wings - Center Tank Upper Skin Panels - Inspection

The Federal Aviation Administration Airworthiness Directive 2022-23-12 is a final rule addressing all Boeing 747 series airplanes including models 747-100 through 747SP. It mandates a one-time low frequency eddy current inspection of specific center tank upper skin panels for structural damage caused by heat exposure from composite trim air diffuser ducts. This directive aims to prevent potential heat damage that could compromise the wing center section and adjacent structures.

Airworthiness Directive

Boeing 747100
Boeing 747SP

EASA AD 2022-0232

Time Limits / Maintenance Checks — Time Limits Manual / Maintenance Programme — Amendment

EASA Airworthiness Directive 2022-0232 is an amendment concerning the Rolls-Royce RB211-524G and RB211-524H engine models, commonly installed on Boeing 747 and Boeing 767 aircraft. This directive updates the Time Limits Manual and Maintenance Programme to include new and more restrictive maintenance instructions and life limits for engine components. It mandates compliance with these updated maintenance requirements to ensure continued airworthiness.

Airworthiness Directive

Rolls-Royce Deutschland Ltd & Co Kg RB211-524
Boeing 747
Boeing 767

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.

Airworthiness Directive

Boeing 747100100B100B SUD200B200C200F300
Boeing 747SR
Boeing 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.

Safety Information Bulletin

Boeing 737
Boeing 747
Boeing 757
Boeing 767
Boeing 777
Boeing 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.

Airworthiness Directive

Boeing 747400

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.

Airworthiness Directive

Boeing 747100B SUD200B200C200F300400400D400F
Boeing 747SP

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.

Airworthiness Directive

Boeing 7478F

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.

Airworthiness Directive

Boeing 7478F8

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.

Airworthiness Directive

Boeing 747100200300400F

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.

Airworthiness Directive

Boeing 747400400D400F

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.

Airworthiness Directive

Boeing 7478F8
Boeing 777

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.

Airworthiness Directive

Boeing 747