EASA Regulations for CFM International CFM56-5C

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 2020-0044

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