EASA Regulations for CFM International CFM56-3

3 airworthiness directives and regulations affecting CFM International CFM56-3.

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New ADs and bulletins for CFM International CFM56-3, summarized like the ones below, every Monday.

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 2020-0261R1

Jun 30, 2022

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.

Airworthiness Directive
  • CFM International CFM56-3
  • CFM International CFM56-7B
  • Boeing 737

EASA AD 2017-0149R1

Dec 5, 2017

Engine — Variable Stator Vane Actuating System — Check

EASA Airworthiness Directive 2017-0149R1 is a regulatory document addressing the CFM International CFM56-3 series engines installed on Boeing 737-300, -400, and -500 aircraft. It mandates repetitive checks of the variable stator vane (VSV) actuating system to detect corrosion-related issues that could cause loss of engine thrust control. The directive provides instructions for inspection, corrective actions, and optional terminating actions to ensure continued airworthiness.

Airworthiness Directive
  • CFM International CFM56-3
  • Boeing 737-300
  • Boeing 737-400
  • Boeing 737-500