EASA Regulations for CFM International CFM56-5B

9 airworthiness directives and regulations affecting CFM International CFM56-5B.

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New ADs and bulletins for CFM International CFM56-5B, summarized like the ones below, every Monday.

EASA PAD 26-113

Sep 23, 2026

Engine – High Pressure Turbine Front Seal – Inspection

EASA Airworthiness Directive Proposal 26-113 is a regulatory document addressing the inspection of the High Pressure Turbine (HPT) front seal on CFM INTERNATIONAL S.A. CFM56-5B and CFM56-7B engine models. These engines are commonly installed on Airbus A318, A319, A320, and A321 series aircraft, as well as Boeing 737-600, 737-700, 737-800, 737-900, and 737-900ER series aircraft. The directive proposes a one-time on-wing borescope inspection to detect potential misalignment and cracks in the HPT front seal to prevent uncontained part release and possible engine or aircraft damage.

Proposed AD
  • CFM International CFM56-5B
  • CFM International CFM56-7B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Boeing 737

EASA AD 2026-0033

Feb 20, 2026

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.

Airworthiness Directive
  • CFM International CFM56-5B
  • CFM International CFM56-5C
  • CFM International CFM56-7B

EASA AD 2024-0067-E

Mar 9, 2024

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.

Airworthiness Directive
  • CFM International CFM56-2
  • CFM International CFM56-3
  • CFM International CFM56-5
  • CFM International CFM56-5B
  • CFM International CFM56-5C
  • CFM International CFM56-7B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A340
  • Boeing 737

EASA AD 2024-0002

Jan 4, 2024

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.

Airworthiness Directive
  • CFM International CFM56-5B
  • CFM International CFM56-5C
  • CFM International CFM56-7B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A340
  • Boeing 737-600
  • Boeing 737-700
  • Boeing 737-800
  • Boeing 737-900ER

EASA AD 2021-0062

Mar 5, 2021

Engine — Low Pressure Turbine Rear Frames — Inspection / Replacement

EASA Airworthiness Directive 2021-0062 is an airworthiness directive addressing inspection and replacement requirements for low pressure turbine rear frames on CFM International CFM56-5B series engines, commonly installed on Airbus A318, A319, A320, and A321 aircraft. The directive mandates inspections for cracks in specific turbine rear frame parts and outlines corrective actions to prevent engine failure.

Airworthiness Directive
  • CFM International CFM56-5B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321

EASA AD 2020-0044

Mar 3, 2020

Engine – High-Pressure Turbine Inner Stationary Seal – Inspection

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.

Airworthiness DirectiveSuperseded
  • CFM International CFM56-5B
  • CFM International CFM56-5C
  • CFM International CFM56-7B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A340
  • Boeing 737

EASA AD 2020-0007

Jan 15, 2020

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.

Airworthiness Directive
  • CFM International CFM56-5B
  • CFM International CFM56-5C
  • CFM International CFM56-7B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A340
  • Boeing 737-600
  • Boeing 737-700
  • Boeing 737-800
  • Boeing 737-900

EASA AD 2019-0150

Jun 28, 2019

Engine – Rotating Air High Pressure Turbine Front Seal – Replacement

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.

Airworthiness DirectiveSuperseded
  • CFM International CFM56-5B
  • CFM International CFM56-5C
  • CFM International CFM56-7B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A340
  • Boeing 737-600
  • Boeing 737-700
  • Boeing 737-800
  • Boeing 737-900

EASA AD 2019-0146

Jun 21, 2019

Engine – Rotating Air High Pressure Turbine Front Seal – Replacement

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.

Airworthiness DirectiveSuperseded
  • CFM International CFM56-5B
  • CFM International CFM56-5C
  • CFM International CFM56-7B
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A340
  • Boeing 737-600
  • Boeing 737-700
  • Boeing 737-800
  • Boeing 737-900