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EASA Regulations for Boeing 747-8

20 airworthiness directives and regulations affecting Boeing 747-8.

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New ADs and bulletins for Boeing 747-8, summarized like the ones below, every Monday.

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.

Airworthiness Directive

Boeing 74788F

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.

Airworthiness Directive

Boeing 7478F8

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.

Airworthiness Directive

Boeing 74788F

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.

Airworthiness Directive

Boeing 7478

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.

Airworthiness Directive

Boeing 74788F

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.

Airworthiness Directive

Boeing 7478F8
Boeing 777

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-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-2022-25-04

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 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-2022-03-05

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-2021-13-16

Engine - Lower Fuel Manifold - Inspection

Federal Aviation Administration Airworthiness Directive 2021-13-16 is a final rule addressing certain General Electric Company GEnx-2B67, GEnx-2B67/P, and GEnx-2B67B model turbofan engines. It mandates inspections of the lower fuel manifold due to reported cracks causing fuel leakage. This directive applies to engines installed on aircraft such as the Boeing 747-8.

Airworthiness Directive

General Electric GEnx
Boeing 747-8

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.

Airworthiness Directive

Boeing 737700800
Boeing 7474008
Boeing 767400ER
Boeing 777200

EASA AD US-2020-17-02

Engine - Kathon FP 1.5 Biocide in a Fuel Tank or Engine - Removal / Airplane Flight Manual - Revision

The document titled "Engine - Kathon FP 1.5 Biocide in a Fuel Tank or Engine - Removal / Airplane Flight Manual - Revision" is a Federal Aviation Administration (FAA) Airworthiness Directive affecting certain Boeing 747-8, 747-8F, and 787-8, -9, and -10 airplanes equipped with General Electric GEnx-1B and GEnx-2B model engines. It addresses the unsafe condition caused by the presence of Kathon FP 1.5 biocide in fuel tanks or engines, which can lead to engine control malfunctions and thrust anomalies.

Airworthiness Directive

Boeing 74788F
Boeing 7878910

EASA AD US-2020-08-12

Fuselage - Left and Right Side Lap Joints of the Fuselage Skin - Inspections / Modification

The Federal Aviation Administration (FAA) Airworthiness Directive 2020-08-12 addresses certain Boeing 747-8 and 747-8F series airplanes. It mandates modifications and repetitive inspections of the left and right side lap joints of the fuselage skin due to the risk of widespread fatigue damage. This directive aims to prevent undetected fatigue cracks that could compromise structural integrity and cause sudden decompression.

Airworthiness Directive

Boeing 74788F

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.

Airworthiness Directive

Boeing 747200B200C200F300400400D400F8F8

EASA AD US-2019-08-09

Nacelles / Pylons - Aft Fairing Vapour Seals / Heatshield Seals and Retainers / Block Seals / Outboard Lateral Restraint Access Panels - Replacement

The Federal Aviation Administration's Airworthiness Directive 2019-08-09 addresses all Boeing 747-8 and 747-8F series airplanes. It mandates replacement of damaged vapor seals, block seals, heatshield seals, seal retainers, and outboard lateral restraint access panels on the outboard pylons between the engine strut and aft fairing. This directive aims to prevent potential flammable fluid leaks that could lead to uncontrolled fires in the engine strut area.

Airworthiness Directive

Boeing 74788F

EASA AD US-2018-23-13

Oxygen - Flightcrew Oxygen Masks - Inspection / Replacement

Federal Aviation Administration Airworthiness Directive 2018-23-13 is a final rule applicable to all Boeing Model 747-8 and 747-8F series airplanes. It addresses an unsafe condition where flightcrew oxygen masks and regulators did not function as designed during flight testing, potentially delaying mask deployment. This directive mandates inspection and replacement of certain oxygen masks and regulators to ensure proper functionality.

Airworthiness Directive

Boeing 74788F

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.

Airworthiness Directive

Boeing 7471002003004008
Boeing 747SP
Boeing 747SR

EASA AD US-2018-07-06

Airplane Flight Manual - Revision / Landing Gear - Main Entry Door 3 Intercostal Webs - Modification

Airplane Flight Manual - Revision / Landing Gear - Main Entry Door 3 Intercostal Webs - Modification is a Federal Aviation Administration (FAA) Airworthiness Directive (AD 2018-07-06) that applies to certain Boeing 747-8 series airplanes. It addresses an unsafe condition related to restricted movement of the right brake pedals after landing rollout. The AD requires revising the airplane flight manual (AFM) to add an autobrake system limitation and mandates modification of intercostal webs near main entry door 3 to terminate the AFM limitation.

Airworthiness Directive

Boeing 7478