EASA Regulations &amp; Airworthiness Directives

Engine Fuel & Control — Engine Electronic Control Software — Modification / Replacement

EASA Airworthiness Directive 2022-0253 is an airworthiness directive addressing the engine electronic control software on Airbus A330-841 and A330-941 aeroplanes equipped with Rolls-Royce Trent 7000 engines. It mandates modifications or replacements of affected Engine Electronic Control (EEC) software to prevent potential engine crystal icing protection loss. The directive applies to specific EEC software part numbers and requires compliance to ensure continued safe operation.

Airbus A330841941

EASA AD US-2022-25-04

Equipment / Furnishings - Door 5 Ceiling Stowage Boxes - Replacement / Operation Check

The Federal Aviation Administration Airworthiness Directive 2022-25-04 is a final rule addressing certain Boeing 747-400 and 747-8 series airplanes. It mandates replacement and operational checks of door 5 ceiling stowage box snubbers to prevent free-fall incidents that have caused injuries to flight attendants. This directive targets snubbers with part number SP5378 and introduces a replacement snubber, part number SP26172.

Boeing 7474008

EASA AD 2022-0256

Fire Protection – Fire Detectors – Replacement

EASA Airworthiness Directive 2022-0256 is an airworthiness directive issued by the European Union Aviation Safety Agency concerning SAFRAN Helicopter Engines ARRIEL 1C, 1C1, and 1C2 engines installed on various Airbus Helicopters models including SA 365 C3, SA 365 N, SA 365 N1, and AS 365 N2. The directive addresses a manufacturing non-compliance in certain fire detectors that may cause spurious engine fire warnings. It mandates the replacement of affected fire detectors to ensure continued safe operation.

Safran ARRIEL 1
Airbus Helicopters SA 365 C3
Airbus Helicopters SA 365 N
Airbus Helicopters SA 365 N1
Airbus Helicopters AS 365 N2

EASA AD CF-2022-69

Landing Gear — Alternate Extension System — Cam Assembly Failures

Canadian Airworthiness Directive CF-2022-69 addresses landing gear alternate extension system cam assembly failures on De Havilland Aircraft of Canada Limited model DHC-8-401 and DHC-8-402 aeroplanes, serial numbers 4001 and 4003 through 4633. The directive mandates inspections and replacement of specific parts to prevent failure of the main landing gear alternate extension system. It also updates maintenance procedures to detect and correct damage to critical components.

De Havilland Canada DHC-8
De Havilland Aircraft of Canada Limited DHC-8-401
De Havilland Aircraft of Canada Limited DHC-8-402

EASA SIB 2022-11

Safety Information Bulletin

SAE Type II, III and IV Aircraft Anti-Icing Fluid Application

EASA Safety Information Bulletin 2022-11 is a guidance document addressing the application of SAE Type II, III, and IV aircraft anti-icing fluids. It applies to air operators and contracted ground de-icing service providers operating aircraft registered in EASA Member States. The bulletin emphasizes proper application techniques to ensure effective anti-icing protection and holdover times, referencing SAE Aerospace Material Specifications and Transport Canada Civil Aviation recommendations.

EASA AD 2022-0255

Time Limits / Maintenance Checks – Airworthiness Limitations Section – Amendment

EASA Airworthiness Directive 2022-0255 is an airworthiness directive affecting SAFRAN Helicopter Engines RTM 322-01/9 engines, commonly installed on NH Industries NH90 military helicopters. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the SAFRAN RTM 322-01/9 Engine Base Maintenance Manual Airworthiness Limitations Section approved on 30 October 2022. This directive ensures continued airworthiness by enforcing mandatory inspections and life limits for engine components.

Safran RTM 322
NH Industries NH90

EASA AD 2022-0254

Time Limits / Maintenance Checks – Airworthiness Limitations Section – Amendment

EASA Airworthiness Directive 2022-0254 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting SAFRAN Helicopter Engines RTM 322-01/9A engines, commonly installed on NH Industries NH90 military helicopters. This directive mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the SAFRAN RTM 322-01/9A Engine Base Maintenance Manual Airworthiness Limitations Section approved on 30 October 2022. It ensures continued airworthiness by enforcing mandatory inspections and life limits for specific engine components.

Safran RTM 322
NH Industries NH90

EASA AD CF-2022-68

Dec 16, 2022

Fuselage – Tailboom – Loss of Tailboom Attachment Hardware

Canadian Airworthiness Directive CF-2022-68 addresses safety concerns for Bell Textron Canada Limited model 407 helicopters, specifically serial numbers 53000 through 56304. This directive mandates inspections and torque checks of the tailboom attachment hardware to prevent potential loss of tailboom attachment and consequent loss of helicopter control. The directive follows findings from a National Transportation Safety Board investigation into missing tailboom attachment hardware.

Bell 407
Bell Textron Canada Limited 407

EASA AD 2022-0240R1

Dec 15, 2022

Engine – Pistons – Oil Analysis / Replacement

EASA Airworthiness Directive 2022-0240R1 is an amendment addressing piston failures in Austro Engine GmbH E4 and E4P engines installed on Diamond Aircraft Industries DA 40 NG, DA 42 NG, DA 42 M-NG, and DA 62 aeroplanes. The directive mandates repetitive oil analyses and replacement of pistons and related engine parts to prevent engine power loss and potential loss of aircraft control.

Austro Engine Gmbh E4
Diamond Aircraft Industries DA 40 NG
Diamond Aircraft Industries DA 42 NG
Diamond Aircraft Industries DA 42 M-NG
Diamond Aircraft Industries DA 62

EASA AD 2018-0104R2

Dec 15, 2022

Fuselage — Tail Boom / Fenestron Junction Frame — Inspection

EASA Airworthiness Directive 2018-0104R2 is an updated regulatory document addressing inspection and modification requirements for Airbus Helicopters EC 130 B4 and EC 130 T2 models. It focuses on the fuselage tail boom and fenestron junction frame to detect and prevent crack propagation that could lead to structural failure and loss of helicopter control. The directive applies to all serial numbers except those with specific Airbus modifications 074775 or 074581.

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 B4
Airbus Helicopters EC 130 T2

EASA AD 2022-0249

Navigation — Weather Radar System Redundant Wiring — Modification

EASA Airworthiness Directive 2022-0249 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Pilatus PC-24 aeroplanes with manufacturer serial numbers 231 to 252 inclusive, as well as MSN 254 and 255. The directive addresses a wiring issue in the weather radar system that could impact critical avionics components during a lightning strike. It mandates a modification to the redundant wiring of the weather radar system to ensure continued safe operation.

Pilatus Aircraft PC-24
Pilatus PC-24

EASA AD 2022-0251-E

Tail Rotor Drive – Shaft-Line – Check / Measurement

EASA Airworthiness Directive 2022-0251-E is an emergency directive addressing Airbus Helicopters EC 130 T2 models equipped with specific tail rotor drive shafts (P/N 350A34-5010-00 or 350A34-5020-00). It mandates repetitive vibration level checks of the tail rotor drive shaft to detect potential cracks that could lead to failure and loss of yaw control. This directive applies to helicopters with Airbus Helicopters modification 079809 embodied in production.

Airbus Helicopters AS 350
Airbus Helicopters EC 130
Airbus Helicopters EC 130 T2

EASA AD 2022-0248

Time Limits / Maintenance Checks – Time Limits Manual / Maintenance Programme – Amendment

EASA Airworthiness Directive 2022-0248 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Rolls-Royce Deutschland Ltd & Co KG Trent 7000-72 and Trent 7000-72C engines. It mandates compliance with updated maintenance tasks and life limits as specified in the Rolls-Royce Trent 7000 Time Limits Manual Revision 14 dated 22 July 2022. This directive ensures continued airworthiness by requiring operators to follow the latest maintenance program amendments.

Rolls-Royce Deutschland Ltd & Co Kg TRENT 7000

EASA AD 2022-0247

Time Limits / Maintenance Checks – Time Limits Manual / Maintenance Programme – Amendment

EASA Airworthiness Directive 2022-0247 is issued for Rolls-Royce Deutschland Ltd & Co KG Trent 1000 series engines, including models AE3, CE3, D3, G3, H3, J3, K3, L3, M3, N3, P3, Q3, and R3. This directive mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the Rolls-Royce Trent 1000 Time Limits Manual Revision 23 dated 01 July 2022. It applies to all serial numbers of the affected engine models to ensure continued airworthiness.

Rolls-Royce Deutschland Ltd & Co Kg TRENT 1000

EASA AD 2022-0250

Wings – Upper / Lower Wing Skin Cover Edge Glow Sealant – Inspection /; Modification

EASA Airworthiness Directive 2022-0250 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus A350-941 and A350-1041 aeroplanes. It addresses missing or incorrect application of lightning strike edge glow sealant protection on wing tanks, which could pose a risk of ignition inside fuel tanks during lightning strikes. The directive mandates inspections and modifications to restore proper lightning strike protection layers on affected aircraft.

Airbus A3509411041

EASA AD BR-2022-12-01

Dec 13, 2022

Time Limits / Maintenance Checks — Time Limits Manual / Maintenance Programme — Amendment

Brazilian Airworthiness Directive AD No. 2022-12-01 issued by the Agência Nacional de Aviação Civil (ANAC) mandates revisions to the maintenance programs of Embraer S.A. ERJ 190-100 and ERJ 190-200 series airplanes. This directive requires incorporation of new Airworthiness Limitation Inspections and structural modifications to address Widespread Fatigue Damage risks. It applies to specific serial numbers and all aircraft registered in Brazil under the Registro Aeronáutico Brasileiro.

Safety Information Bulletin

Embraer ERJ 190100200

EASA SIB CASA-2022-05

Dec 12, 2022

Circuit Breaker Panels — Inadequate Torque on Mounting Hardware

Transport Canada Civil Aviation Safety Alert CASA 2022-05 is a safety alert addressing inadequate torque on mounting hardware of circuit breaker panels #1 and #2 in Mitsubishi Heavy Industries RJ Aviation CRJ 550/700/701/702/705/900/1000 aeroplanes. The alert highlights issues with improper assembly and torque values on circuit breaker bar connections and bus bar connections that have led to in-flight system failures and increased crew workload.

MHI RJ Aviation CL-600 (Regional Jet)

EASA AD 2022-0245

Dec 12, 2022

Landing Gear — Nose and Main Landing Gear Actuators — Replacement

EASA Airworthiness Directive 2022-0245 is an airworthiness directive addressing Pilatus PC-12/47E aeroplanes, specifically those with manufacturer serial numbers 1300, 1451, and subsequent. It mandates the replacement of certain main and nose landing gear electro-mechanical actuators identified by specific part numbers due to corrosion issues. The directive ensures continued safe operation by requiring affected parts to be replaced with serviceable ones.

Pilatus Aircraft PC-12
Pilatus PC-12/47E

EASA AD 2022-0246

Dec 12, 2022

Main Rotor — Main Rotor Blades — Inspection

EASA Airworthiness Directive 2022-0246 is an airworthiness directive addressing inspection requirements for main rotor blades on Airbus Helicopters AS 350 and AS 355 models. It applies to specific part numbers of main rotor blades that have shown occurrences of debonding on the stainless steel leading edge protection. The directive mandates repetitive inspections and, depending on findings, repair or replacement of affected parts to ensure continued airworthiness.