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EASA Regulations for General Electric GEnx

24 airworthiness directives and regulations affecting General Electric GEnx.

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New ADs and bulletins for General Electric GEnx, summarized like the ones below, every Monday.

EASA AD US-2026-14-03

Engine - Engine Fuel Distribution - Replacement

The Federal Register Final Rule titled "Engine - Engine Fuel Distribution - Replacement" establishes a new airworthiness directive (AD 2026-14-03) issued by the FAA for certain General Electric Company GEnx engine models including GEnx-1B64, GEnx-1B67, GEnx-1B70 series, GEnx-1B74/75, GEnx-1B76, and GEnx-2B67 variants. This AD addresses a fuel leak issue caused by defective fuel tube hoses connecting the main fuel-oil heat exchanger, affecting engines installed on aircraft such as the Boeing 787-8. The directive mandates removal and replacement of affected fuel tube hoses to ensure continued airworthiness and safety.

Airworthiness Directive

General Electric GEnx
Boeing 787-8

EASA AD US-2026-04-09

Turbine Engine - High-Pressure Compressor Stage 5 Blisks - Replacement

The Federal Aviation Administration's Airworthiness Directive 2026-04-09 addresses certain General Electric Company GEnx engine models, including GEnx-1B64, GEnx-1B67, GEnx-1B70, and GEnx-2B67 variants. This directive focuses on the replacement of high-pressure compressor stage 5 blisks with part number 2357M35P02 that have specific serial numbers due to a manufacturing quality issue. The AD aims to prevent potential engine damage and uncontained debris release caused by possible blisk fractures.

Airworthiness Directive

General Electric GEnx

EASA AD US-2025-11-03

Engine - High-Pressure Turbine (HPT) Stage 1 and HPT Stage 2 Disks - Replacement

The Federal Aviation Administration's Airworthiness Directive 2025-11-03 addresses certain General Electric Company GEnx engine models, including GEnx-1B64, GEnx-1B67, GEnx-1B70 series, and GEnx-2B67/P. This directive mandates the replacement of specific high-pressure turbine (HPT) stage 1 and stage 2 disks that were manufactured with powder metal material suspected to contain iron inclusions. The AD aims to prevent potential premature fractures and uncontained failures in these engine components.

Airworthiness Directive

General Electric GEnx

EASA AD US-2024-25-07

Engine - Stages 6-10 Compressor Rotor Spools - Inspection

The document titled 'Engine - Stages 6-10 Compressor Rotor Spools - Inspection' is a regulatory directive concerning the inspection requirements for compressor rotor spools in engine stages 6 through 10. It addresses specific inspection protocols to ensure the integrity and safety of these engine components. The directive is relevant to aviation professionals involved in engine maintenance and airworthiness compliance.

Airworthiness Directive

General Electric GEnx

EASA AD US-2023-17-08

Engine - Stages 6—10 Compressor Rotor Spools and Forward Seals - Replacement

FAA Airworthiness Directive 2023-17-08 is a final rule addressing certain General Electric Company GEnx-1B and GEnx-2B engines. It mandates the replacement of stages 6-10 compressor rotor spools and forward seals manufactured from powder metal material suspected to contain iron inclusion. This directive aims to mitigate the risk of reduced material properties and fatigue life in these engine components.

Airworthiness Directive

General Electric GEnx

EASA AD US-2022-25-20

Engine - High-Pressure Turbine Stage 2 Disks, Forward Seals and Stages 6-10 Compressor Rotor Spools - Replacement

The Federal Aviation Administration's Airworthiness Directive 2022-25-20 addresses certain General Electric Company GEnx-1B and GEnx-2B model turbofan engines. It targets high-pressure turbine stage 2 disks, forward seals, and stages 6-10 compressor rotor spools suspected to contain iron inclusions due to manufacturing defects. This directive aims to prevent potential engine failures and ensure continued airworthiness of affected engines.

Airworthiness Directive

General Electric GEnx

EASA AD US-2022-20-12

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment

The Federal Aviation Administration's Airworthiness Directive 2022-20-12 addresses certain General Electric Company GEnx-1B and GEnx-2B model turbofan engines. It responds to the detection of melt-related freckles in forgings and billets that reduce the life of specific compressor discharge pressure seals, interstage seals, high-pressure turbine rotor stage 2 disks, and compressor rotor spools. This directive mandates revisions to the Airworthiness Limitations Section of the applicable engine manuals and operators' maintenance programs to incorporate reduced life limits for these parts.

Airworthiness Directive

General Electric GEnx

EASA AD US-2022-19-01

Engine - Low Pressure Turbine Rotor Stage 4 and Stage 6 Disks - Replacement

The Federal Aviation Administration's Airworthiness Directive 2022-19-01 addresses certain General Electric Company GEnx-2B67/P model turbofan engines. It targets specific low-pressure turbine rotor stage 4 and stage 6 disks identified by part and serial numbers due to a detected iron inclusion that may reduce their fatigue life. This directive mandates the removal and replacement of these affected disks to ensure continued airworthiness.

Airworthiness Directive

General Electric GEnx

EASA AD US-2022-18-04

Engine Fuel & Control - Fuel Hydraulic Lines - Replacement

The Federal Aviation Administration's Airworthiness Directive 2022-18-04 addresses certain General Electric Company GEnx-1B model turbofan engines. This directive mandates the removal and replacement of specific fuel hydraulic lines due to high cycle fatigue cracks found at braze joints on fuel manifolds, which could lead to fuel leaks. The affected engines include multiple GEnx-1B variants with serial numbers ranging from 956-102 through 958-802.

Airworthiness Directive

General Electric GEnx

EASA AD US-2022-04-07

Engine Fuel & Control - Fuel Metering Unit Bypass Valve Plug - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2022-04-07 addresses certain General Electric Company GEnx-1B and GEnx-2B model turbofan engines installed on Boeing 747-8F and 787-10 aircraft. This directive mandates inspection and potential replacement of the fuel metering unit (FMU) bypass valve plug to prevent unsafe conditions. The AD aims to mitigate risks of in-flight shutdowns caused by improperly torqued FMU BPV plugs.

Airworthiness Directive

General Electric GEnx
Boeing 747-8F
Boeing 787-10

EASA AD US-2022-03-16

Engine - Turbine Compressor Discharge Pressure Bolted Joint - Inspection

The Federal Aviation Administration (FAA) Airworthiness Directive 2022-03-16 addresses certain General Electric Company GEnx-1B and GEnx-2B model turbofan engines. It mandates inspections of the compressor discharge pressure (CDP) bolted joint due to findings of sheared CDP bolts during engine shop visits, which could cause damage to critical engine components. The directive also requires reassembly of the CDP bolted joint using a specified torque wrench to ensure safety.

Airworthiness Directive

General Electric GEnx

EASA AD US-2021-21-05

Engine Controls - Electronic Engine Control MN4 Microprocessor - Replacement / Minimum Equipment List - Amendment

The document titled "Engine Controls - Electronic Engine Control MN4 Microprocessor - Replacement / Minimum Equipment List - Amendment" is a Federal Aviation Administration (FAA) Airworthiness Directive (AD) addressing General Electric Company GEnx model turbofan engines, including GEnx-1B64, GEnx-1B67, GEnx-1B70, GEnx-1B74/75, GEnx-1B76, and GEnx-2B67 variants. This AD mandates revisions to operators' FAA-approved minimum equipment lists (MEL) and requires initial and repetitive replacement of the electronic engine control (EEC) MN4 microprocessor to prevent uncommanded high thrust events. The directive aims to mitigate an unsafe condition identified from in-service occurrences of loss of engine thrust control.

Airworthiness Directive

General Electric GEnx

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 US-2021-11-07

Engine - Compressor Rotor Spools - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-11-07 addresses certain General Electric Company GEnx-1B64, 1B67, 1B70, and 2B67 model turbofan engines. It mandates inspections and potential replacement of the stages 6-10 compressor rotor spools due to discovered damage and missed fluorescent penetrant inspections during production. This directive aims to ensure continued airworthiness and safety of affected engines.

Airworthiness Directive

General Electric GEnx

EASA AD US-2021-02-07

Engine Fuel & Control - Cushioned Loop Clamp and Outer Fuel Manifold - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-02-07 is a final rule addressing all General Electric Company GEnx-1B series turbofan engines. It mandates inspections and potential replacements related to the cushioned loop clamp (p-clamp) and the outer fuel manifold due to reported cracks causing fuel leakage. This directive applies to multiple GEnx-1B engine variants and aims to ensure continued airworthiness and safety.

Airworthiness Directive

General Electric GEnx

EASA AD US-2020-25-10

Engine - High Pressure Turbine Rotor Stage 2 Disks - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2020-25-10 is a final rule addressing certain General Electric Company GEnx-1B and GEnx-2B model turbofan engines equipped with specific high-pressure turbine (HPT) rotor stage 2 disks. This directive mandates inspection and potential replacement of these disks due to the risk of undetected subsurface anomalies that could lead to uncontained disk failure. The directive applies to multiple GEnx engine variants including GEnx-1B64/P2, GEnx-1B67/P2, GEnx-1B70/75/P2, and others.

Airworthiness Directive

General Electric GEnx

EASA AD US-2020-20-12

Turbine Engine - Electronic Engine Control Software - Installation

Federal Aviation Administration Airworthiness Directive 2020-20-12 is a final rule addressing General Electric Company GEnx-1B series turbofan engines, including models -1B64, -1B67, -1B70, and others. It mandates the installation of electronic engine control (EEC) software version B205 or later to mitigate the risk of combustor case burn-through. This directive aims to enhance engine safety and prevent potential engine fires and damage to the aircraft.

Airworthiness Directive

General Electric GEnx

EASA AD US-2020-20-11

Engine - High-Pressure Turbine Rotor Stage 2 Disks and Stage 6-10 Compressor Rotor Spools - Removal

The document titled "Engine - High-Pressure Turbine Rotor Stage 2 Disks and Stage 6-10 Compressor Rotor Spools - Removal" is a final rule airworthiness directive issued by the FAA. It applies to certain General Electric Company GEnx-1B and GEnx-2B model turbofan engines, specifically addressing affected high-pressure turbine rotor stage 2 disks and stages 6-10 compressor rotor spools. The directive mandates removal of these parts due to detected melt-related freckles that reduce their life limits.

Airworthiness Directive

General Electric GEnx

EASA AD US-2020-13-04

Engine Controls - Electronic Engine Control Software Update / Fan Hub Stator Assembly Booster Outlet Guide Vanes - Replacement

The document titled "Engine Controls - Electronic Engine Control Software Update / Fan Hub Stator Assembly Booster Outlet Guide Vanes - Replacement" is a Federal Aviation Administration (FAA) Airworthiness Directive (AD) addressing General Electric Company GEnx-1B and GEnx-2B model turbofan engines. It mandates updating the electronic engine control (EEC) full authority digital electronic control (FADEC) software and replacing a specific fan hub stator assembly booster outlet guide vane (BOGV) part on GEnx-2B engines to correct an unsafe condition.

Airworthiness Directive

General Electric GEnx

EASA AD US-2019-02-01

Engine - High-Pressure Turbine Stator Cases - Removal / Replacement

The Federal Aviation Administration's Airworthiness Directive 2019-02-01 addresses certain General Electric Company GEnx turbofan engines, including models GEnx-1B54 through GEnx-2B67 variants. This directive mandates the removal and replacement of affected high-pressure turbine stator cases due to a manufacturing quality escape that could lead to engine failure and fire. The directive updates previous requirements by reducing compliance times for these actions to enhance safety.

Airworthiness Directive

General Electric GEnx