EASA Regulations &amp; Airworthiness Directives

Hydraulic Power — Direct Current Motor Pump Failures

The Canadian Airworthiness Directive CF-2020-31 addresses failures of direct current (DC) motor pumps in Bombardier BD-100-1A10 aircraft with serial numbers 20003 to 20406. This directive mandates compliance with Bombardier Service Bulletin 100-29-18, which introduces a redesigned DC motor pump more resistant to high temperatures encountered at altitude. The directive aims to prevent electrical system issues caused by pump overheating during flight.

Bombardier BD-1001A10

EASA AD US-2020-18-20

Main Rotor - Main Rotor Blade Leading Edge Abrasion Strip - Inspection

FAA Airworthiness Directive 2020-18-20 is a final rule addressing certain MD Helicopters Inc. models 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N equipped with specific main rotor blade part numbers fitted with 1.25 inch chord length nickel abrasion strips manufactured or installed by Helicopter Technology Company, LLC. The directive mandates inspections due to reports of abrasion strips detaching in flight, posing a safety risk. It requires tap inspections of the main rotor blade leading edge abrasion strips to detect damage or delamination.

Md Helicopters Inc (Mdhi) 369
Md Helicopters Inc (Mdhi) 500N
Md Helicopters Inc (Mdhi) 600N
MD Helicopters 369A
MD Helicopters 369D
MD Helicopters 369E
MD Helicopters 369FF
MD Helicopters 369H
MD Helicopters 369HE
MD Helicopters 369HM
MD Helicopters 369HS
MD Helicopters 500N
MD Helicopters 600N

EASA AD 2018-0039R1

Windows — Jettisoning System — Installation

EASA Airworthiness Directive 2018-0039R1 is a regulatory document addressing the installation of the windows jettisoning system on Airbus Helicopters AS 332 and EC 225 LP models. It mandates modifications to reduce friction between the window seal and the helicopter airframe to ensure proper jettisoning of windows in emergency situations. The directive applies to various AS 332 and EC 225 LP helicopter variants, excluding those already modified according to specified Airbus Helicopters modifications and Alert Service Bulletins.

Airbus Helicopters SA 330
Airbus Helicopters AS 332
Airbus Helicopters EC 225
Airbus Helicopters EC 225 LP

EASA SIB 2020-17

Safety Information Bulletin

WITHDRAWN - REPLACED BY ADR.OPS.B.090 AS OF 24 MAY 2025

EASA Safety Information Bulletin 2020-17 is an informational document addressing changes to the aerodrome reference code (ARC) methodology, particularly affecting higher code letter operations at aerodromes. It highlights the reclassification of aircraft such as the De Havilland Canada DHC-8-400 Dash 8 from code letter 3D to 3C based on wing span, and the implications for aerodrome infrastructure design related to outer main gear wheel span (OMGWS). The bulletin advises aerodrome operators and competent authorities on safety considerations due to these changes.

EASA AD US-2020-18-12

Sep 24, 2020

NOT ADOPTED - EASA DECISION ATTACHED

EASA Decision not to adopt FAA AD 2020-18-12 is a regulatory decision concerning certain Boeing 777 aeroplanes. The FAA Airworthiness Directive 2020-18-12 requires modification of the fuel quantity indicating system to prevent ignition sources inside the centre fuel tank. EASA has decided not to adopt this FAA AD due to insufficient data to confirm an unsafe condition or justify the required corrective actions.

Agency Decision

Boeing 777

EASA AD 2020-0199

Sep 24, 2020

Superseded by EASA AD 2021-0155

EASA Airworthiness Directive 2020-0199 is an airworthiness directive issued for Hélicoptères Guimbal Cabri G2 helicopters, addressing inspection requirements for main rotor scissors fittings with Part Number G12-00-200. The directive mandates initial detailed and repetitive inspections to detect cracks caused by corrosion under residual stress, which could lead to part failure and loss of helicopter control.

Guimbal, Helicopteres CABRI
Hélicoptères Guimbal Cabri G2

EASA AD 2020-0205

Sep 24, 2020

Superseded by EASA AD 2021-0281

EASA Airworthiness Directive 2020-0205 is an airworthiness directive issued for Airbus A330 series aeroplanes, including models A330-201 through A330-343. It addresses a risk of engine bleed system over-temperature where the engine bleed valve may fail to close, potentially causing damage to the bleed manifold and surrounding structures. The directive mandates amendments to the Aircraft Flight Manual (AFM) to incorporate specific temporary revisions for operational procedures in case of such faults.

Airbus A330

EASA AD 2020-0204

Sep 23, 2020

Engine — Low Pressure Turbine — Inspection

EASA Airworthiness Directive 2020-0204 is an airworthiness directive addressing SaM146-1S17, SaM146-1S17C, SaM146-1S18, and SaM146-1S18C engines, commonly installed on Sukhoi RRJ-95B aircraft. The directive mandates inspection of the low pressure turbine (LPT) stage 3 disc assembly to detect incorrect assembly that could lead to disc separation and potential damage to the aircraft. It provides instructions for inspection and corrective actions if discrepancies are found.

Powerjet SaM146
Sukhoi RRJ-95B

EASA AD 2020-0203

Sep 23, 2020

Indicating / Recording Systems — Integrated Control Panels — Modification Airplane Flight Manual — Abnormal / Normal Procedures Sections — Amendment

EASA Airworthiness Directive 2020-0203 is an airworthiness directive affecting Airbus A350-941 and A350-1041 aeroplanes, excluding those with Airbus modification 116038 embodied in production. It addresses the risk of inadvertent liquid spillage on the Integrated Control Panel (ICP) in the flight deck, which has caused un-commanded engine in-flight shutdowns. The directive mandates modifications to the ICP and updates to the Airplane Flight Manual abnormal and normal procedures sections.

Airbus A3509411041

EASA AD 2020-0202

Sep 22, 2020

Superseded by EASA AD 2022-0207

EASA Airworthiness Directive 2020-0202 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Pilatus PC-24 aeroplanes. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the Pilatus PC-24 Aircraft Maintenance Manual Chapter 04-00-00. The directive ensures continued airworthiness by requiring operators to follow new and more restrictive maintenance tasks and life limits.

Pilatus Aircraft PC-24
Pilatus PC-24

EASA AD 2020-0200

Sep 21, 2020

Integrated Modular Avionics — Utility Management System — Software Update

EASA Airworthiness Directive 2020-0200 is an official safety directive addressing Pilatus PC-24 aeroplanes equipped with the Integrated Modular Avionics Utility Management System. It mandates a software update to the Utility Management System to resolve critical failures affecting environmental controls, oxygen mask deployment, and autopilot functions. This directive applies to all PC-24 aircraft with software version Build 7 or earlier installed.

Pilatus Aircraft PC-24
Pilatus PC-24

EASA AD US-2020-18-14

Sep 18, 2020

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

The Federal Aviation Administration's Airworthiness Directive 2020-18-14 addresses all General Electric Company GE90-110B1 and GE90-115B turbofan engines equipped with a specific high-pressure turbine rotor stage 2 disk, part number 2505M73P03. This directive mandates ultrasonic inspection of the affected HPT rotor stage 2 disk to detect subsurface anomalies and requires replacement if defects are found. The directive aims to prevent potential engine failure and ensure continued airworthiness of affected engines.

General Electric GE90

EASA AD 2010-0080-CN

Sep 16, 2020

CANCELLED: Time Limits/Maintenance Checks — Airworthiness Limitations Section — Revision

EASA Airworthiness Directive 2010-0080-CN is a cancellation notice issued by the European Union Aviation Safety Agency affecting all Dassault Aviation Mystère-Falcon 50 aircraft. This document officially cancels the previous AD 2010-0080, which addressed maintenance checks and airworthiness limitations related to flap track inspections. The cancellation reflects that the required maintenance tasks have been incorporated into the aircraft's Airworthiness Limitations Section.

Dassault MystÃ¨re-Falcon 50
Dassault Mystère-Falcon 50

EASA AD 2020-0198

Sep 15, 2020

Superseded by EASA AD 2022-0105

EASA Airworthiness Directive 2020-0198 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting all Airbus A380-841, A380-842, and A380-861 aeroplanes. It mandates compliance with updated airworthiness limitations specified in Airbus A380 Airworthiness Limitations Section Part 1 Variation 11.1 to ensure continued safe operation of these aircraft.

Airbus A380841842861

EASA AD US-2020-18-51

Sep 14, 2020

[Final Rule] SANDIA AEROSPACE - Airplane Flight Manual - Section Limitations - Amendment

The Final Rule titled '[Final Rule] SANDIA AEROSPACE - Airplane Flight Manual - Section Limitations - Amendment' is an airworthiness directive issued by the FAA addressing Sandia attitude indicators with part numbers 306171-10 and 306171-20, which may be marked as BendixKing Model KI-300 or Sandia Model SAI-340A. This directive applies to airplanes equipped with these attitude indicators and mandates revisions to the Airplane Flight Manual (AFM) to prohibit operation under instrument flight rules (IFR) or night visual flight rules (VFR) and to prohibit coupling the autopilot with the affected attitude indicators.

All aircraft

EASA AD US-2020-16-19

Sep 14, 2020

Main Rotor Drive - Auxiliary Circuit Breaker Modification Kits - Installation / Rotorcraft Flight Manual - Update

The Federal Aviation Administration Airworthiness Directive 2020-16-19 is a final rule addressing certain Sikorsky Aircraft Corporation Model S-92A helicopters. It mandates installation of auxiliary circuit breaker modification kits and insertion of a Rotorcraft Flight Manual Supplement to correct erroneous low oil pressure caution indications and unintended main gearbox auto bypass valve actuation.

Sikorsky S-92
Sikorsky S-92A

EASA AD 2020-0163R2

Sep 10, 2020

Superseded by EASA AD 2021-0053

EASA Airworthiness Directive 2020-0163R2 is an updated safety directive addressing Airbus A350-941 and A350-1041 aeroplanes. It mandates inspections and corrective actions related to the slat transmission shafts and slat power control unit torque sensing units to prevent slat system jams during landing. The directive aims to ensure continued airworthiness by requiring health checks, detailed inspections, and cleaning procedures on affected components.

Airbus A3509411041

EASA AD 2020-0197

Sep 10, 2020

Tail Rotor — Tail Rotor Servo Actuator / Duplex Bearing — Inspection / Check / Modification

EASA Airworthiness Directive 2020-0197 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Leonardo S.p.A. AW169 and AW189 helicopters. It addresses inspection, check, and modification requirements for the tail rotor servo actuator and tail rotor duplex bearing components to ensure continued safe operation. The directive includes detailed instructions for inspections, thermal strip installations, and corrective actions related to specific part numbers of tail rotor components.

Leonardo S.P.A. Helicopters AW169
Leonardo S.P.A. Helicopters AW189
Leonardo AW169
Leonardo AW189

EASA AD 2020-0196

Sep 9, 2020

Engine — High Pressure / Intermediate Pressure Bearing Support Assemblies — Removal from Service

EASA Airworthiness Directive 2020-0196 is an official regulatory document addressing the removal from service of certain high pressure/intermediate pressure bearing support assemblies in Rolls-Royce RB211 Trent 970-84, Trent 972-84, and Trent 972E-84 engines, commonly installed on Airbus A380 aircraft. The directive mandates inspection and replacement of affected parts to ensure continued airworthiness and safety of the engines and aircraft.

Rolls-Royce Deutschland Ltd & Co Kg RB211 TRENT 900
Airbus A380

EASA AD 2020-0194

Sep 8, 2020

Powerplant — Engine Attachment Hardware — Inspection / Replacement

Powerplant — Engine Attachment Hardware — Inspection / Replacement is a regulatory document concerning the inspection and replacement procedures for engine attachment hardware on the PILATUS AIRCRAFT LTD PC-24 aircraft. It addresses maintenance requirements to ensure the integrity and safety of the engine mounting components. The document aims to provide clear guidance for operators and maintenance organizations on maintaining compliance and aircraft airworthiness.