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EASA Regulations for CFM International CFM56-7B

13 airworthiness directives and regulations affecting CFM International CFM56-7B.

EASA AD 2026-0033

Engine — High-Pressure Turbine Inner Stationary Seal — Inspection

EASA Airworthiness Directive 2026-0033 is issued for CFM International CFM56-5B, CFM56-5C, and CFM56-7B engines installed on aircraft including Airbus A318, A319, A320, A321, A340 and Boeing 737-600 through 737-900ER series. The directive mandates inspections of the high-pressure turbine inner stationary seal and the rotating air high-pressure turbine front seal to detect cracks or honeycomb separation. It addresses potential risks of seal failure that could lead to uncontained engine damage and possible harm to the aircraft.

Feb 20, 2026
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7B

EASA AD 2024-0067-E

Engine — Life Limited Parts — Replacement

EASA Airworthiness Directive 2024-0067-E is an emergency directive addressing life limited parts replacement for CFM International CFM56 series engines, including models CFM56-2, -3, -5, -5B, -5C, and -7B. These engines are commonly installed on Airbus A318, A319, A320, A321, A340, and Boeing 737 series aircraft from the 300 to 900ER variants. The directive targets specific compressor discharge pressure seals, high-pressure compressor stage 3 disks, and high-pressure turbine rear shafts identified as affected parts due to potential damage from improper maintenance.

Mar 9, 2024
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-2CFM International CFM56-3CFM International CFM56-5CFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7BAirbus A318Airbus A319Airbus A320Airbus A321Airbus A340Boeing 737

EASA AD 2024-0002

Engine — High-Pressure Turbine Inner Stationary Seal — Inspection

EASA Airworthiness Directive 2024-0002 is an airworthiness directive addressing the inspection of the high-pressure turbine (HPT) inner stationary seal on CFM International CFM56-5B, CFM56-5C, and CFM56-7B engines. These engines are commonly installed on Airbus A318, A319, A320, A321, A340, and Boeing 737-600 through 737-900ER series aircraft. The directive mandates inspections and corrective actions to prevent potential damage caused by cracks and honeycomb separation in the affected seals.

Jan 4, 2024
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7BAirbus A318Airbus A319Airbus A320Airbus A321Airbus A340Boeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900ER

EASA AD 2020-0261R1

Engine — Accessory Gearbox — Modification

EASA Airworthiness Directive 2020-0261R1 addresses the modification of accessory gearboxes (AGB) on CFM International CFM56-3 and CFM56-7B engines, commonly installed on Boeing 737 aircraft. The directive mandates replacement or modification of affected AGB part numbers to prevent engine oil loss and potential engine failure. It applies to all serial numbers of the specified engine models and includes detailed compliance instructions.

Jun 30, 2022
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-3CFM International CFM56-7BBoeing 737

EASA AD 2020-0044

SUPERSEDED BY EASA AD 2024-0002

EASA Airworthiness Directive 2020-0044 is an airworthiness directive issued by the European Union Aviation Safety Agency addressing certain CFM International CFM56-5B, CFM56-5C, and CFM56-7B engine models installed on Airbus A318, A319, A320, A321, A340, and Boeing 737 series aircraft. The directive mandates inspection and potential replacement of high-pressure turbine inner stationary seals to prevent damage caused by honeycomb separation. This directive aims to ensure continued airworthiness and safety of affected engines and aircraft.

Mar 3, 2020
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7BAirbus A318Airbus A319Airbus A320Airbus A321Airbus A340Boeing 737

EASA AD 2020-0007

Engine — Rotating Air High Pressure Turbine Front Seal — Replacement

EASA Airworthiness Directive 2020-0007 is a regulatory document addressing the replacement of rotating air high pressure turbine (HPT) front seals on CFM International CFM56-5B, CFM56-5C, and CFM56-7B engines. These engines are installed on various Airbus models including A318, A319, A320, A321, A340, and Boeing 737-600, 737-700, 737-800, and 737-900 aircraft. The directive mandates inspections and replacement of specific affected HPT front seals to prevent potential uncontained engine failures.

Jan 15, 2020
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7BAirbus A318Airbus A319Airbus A320Airbus A321Airbus A340Boeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900

EASA AD 2019-0150

SUPERSEDED BY EASA AD 2020-0007

EASA Airworthiness Directive 2019-0150 is an airworthiness directive addressing certain CFM International CFM56-5B, CFM56-5C, and CFM56-7B engines installed on various Airbus A318, A319, A320, A321, A340 and Boeing 737-600, 737-700, 737-800, and 737-900 aircraft. The directive mandates replacement of specific rotating air high pressure turbine (HPT) front seals identified by part numbers 1795M36P01 and 1795M36P02 due to risk of cracks leading to uncontained engine failure. It provides detailed affected serial numbers and compliance requirements for operators and maintenance organizations.

Jun 28, 2019
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7BAirbus A318Airbus A319Airbus A320Airbus A321Airbus A340Boeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900

EASA AD 2019-0146

SUPERSEDED BY EASA AD 2019-0150

EASA Airworthiness Directive 2019-0146 is an airworthiness directive addressing certain CFM56-5B, CFM56-5C, and CFM56-7B engines installed on aircraft including Airbus A318, A319, A320, A321, A340 and Boeing 737-600, 737-700, 737-800, and 737-900. The directive focuses on the replacement of rotating air high pressure turbine (HPT) front seals that are susceptible to cracking if removed and re-installed on different HPT disks. It mandates specific inspections and replacements to ensure continued airworthiness and safe operation of affected engines.

Jun 21, 2019
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-5BCFM International CFM56-5CCFM International CFM56-7BAirbus A318Airbus A319Airbus A320Airbus A321Airbus A340Boeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900

EASA AD 2019-0018

Engine — Fan Blades — Inspection

EASA Airworthiness Directive 2019-0018 is an aviation safety regulation addressing the inspection of fan blades on CFM International CFM56-7B engines installed on Boeing 737-600, 737-700, 737-800, and 737-900 aircraft. The directive mandates ultrasonic inspections of specific fan blades to detect cracks and prevent fan blade failure. It applies to all serial numbers of multiple CFM56-7B engine variants and includes detailed definitions of affected and serviceable fan blades.

Jan 30, 2019
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-7BBoeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900

EASA AD 2018-0211

SUPERSEDED BY EASA AD 2019-0018

EASA Airworthiness Directive 2018-0211 addresses safety concerns for CFM International CFM56-7B engines installed on Boeing 737-600, 737-700, 737-800, and 737-900 aircraft. It mandates ultrasonic inspections of specific fan blades to detect cracks that could lead to fan blade failure and uncontained debris release. The directive applies to multiple CFM56-7B engine variants and affected fan blade part numbers.

Sep 28, 2018
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-7BBoeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900

EASA AD 2018-0109

SUPERSEDED BY EASA AD 2018-0211

EASA Airworthiness Directive 2018-0109 is an airworthiness directive addressing fan blade inspections for CFM International CFM56-7B engines installed on Boeing 737-600, 737-700, 737-800, and 737-900 aircraft. It mandates ultrasonic inspections of specific affected fan blades to prevent potential fan blade failure and uncontained debris release. The directive applies to multiple CFM56-7B engine variants and specifies compliance procedures and corrective actions.

May 17, 2018
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-7BBoeing 737-600Boeing 737-700Boeing 737-800Boeing 737-900

EASA AD 2018-0093-E

SUPERSEDED BY EASA AD 2018-0109

EASA Airworthiness Directive 2018-0093-E is an emergency directive addressing the inspection of fan blades on CFM International CFM56-7B engines installed on Boeing 737-600, 737-700, 737-800, and 737-900 aircraft. It mandates ultrasonic inspections of specific fan blades to detect potential fractures originating from the fan blade dovetail. The directive aims to prevent fan blade failure and possible uncontained debris release that could damage the engine and aircraft.

Apr 20, 2018
Airworthiness DirectiveMaintenanceSafety MgmtCFM International CFM56-7BBoeing 737