EASA Regulations &amp; Airworthiness Directives

Hydraulic Power — Hydraulic Reservoir Pressure Relief Valve — Inspection / Replacement

Hydraulic Power — Hydraulic Reservoir Pressure Relief Valve — Inspection / Replacement is a technical document issued by AIRBUS S.A.S. concerning the inspection and replacement procedures for the hydraulic reservoir pressure relief valve on Airbus A330 and A340 aircraft. The document provides guidance to ensure the proper functioning and safety of the hydraulic power system in these aircraft types.

Other

Airbus A330
Airbus A340

EASA AD 2011-0168R1

Lights — Instrument Lighting Display Brightness — Modification

EASA Airworthiness Directive 2011-0168R1 is a regulatory update addressing instrument lighting display brightness issues on Airbus Helicopters Deutschland GmbH EC 135, EC 635, and MBB-BK117 C-2 helicopters equipped with optional night vision goggle (NVG) systems. The directive mandates modifications to the electrical wiring in the overhead panel to prevent overheating of diodes in the NVG system, which can cause sudden maximum brightness of critical flight displays. This AD ensures continued safe operation by correcting a lighting system fault that could impair pilot visibility.

Airbus Helicopters EC135
Airbus Helicopters 635
Airbus Helicopters MBB-BK 117
Airbus Helicopters EC 135
Airbus Helicopters EC 635
Airbus Helicopters MBB-BK117 C-2

EASA AD 2018-0067

Main Rotor – Hydraulic Damper / Belt Tension Shaft Rod End Assembly – Inspection

EASA Airworthiness Directive 2018-0067 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Enstrom Helicopter Corporation models F-28, 280, and 480 helicopters. It mandates repetitive inspections of the main rotor hydraulic damper and belt tension shaft rod end bearing assemblies to detect corrosion and requires replacement if corrosion is found. The directive references specific part numbers including 01-824-08E-011 and others, and aligns with FAA AD 2017-26-03.

Enstrom Helicopter Corporation 280
Enstrom Helicopter Corporation 480
Enstrom Helicopter Corporation F-28
Enstrom F-28
Enstrom 280
Enstrom 480

EASA AD DCA-750XL-24A

Pitot Static Tube Support Clamps - Inspection

Airworthiness Directive DCA/750XL/24A Pitot Static Tube Support Clamps - Inspection is issued by the Civil Aviation Authority of New Zealand and applies to Pacific Aerospace 750XL aircraft with serial numbers up to and including 220. This directive mandates inspection and corrective actions on the pitot static tube support clamps to prevent chafing at the flame arrestor intersection. Compliance is required to ensure continued airworthiness and safety of the affected aircraft.

Nzskydive 750XL
Pacific Aerospace 750XL

EASA AD 2018-0065

Time Limits / Maintenance Checks – Main Gearbox / Particle Detectors – Inspection

EASA Airworthiness Directive 2018-0065 is an airworthiness directive issued by the European Aviation Safety Agency affecting all Airbus Helicopters SA 330 J models. It mandates repetitive inspections of the main gearbox particle detector to detect and analyze particles, ensuring continued airworthiness and safety. This directive aligns inspection standards with those applied to EC 225 LP and AS 332 L2 helicopters.

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

EASA AD 2018-0066

Time Limits / Maintenance Checks – Main Gearbox / Particle Detectors – Inspection; Main Rotor Drive – Planet Gear Assemblies – Replacement

EASA Airworthiness Directive 2018-0066 is an airworthiness directive issued by the European Aviation Safety Agency affecting Airbus Helicopters AS 332 L, L1, C, and C1 models. It addresses the inspection and replacement of certain second stage planet gear assemblies in the main gearbox to prevent failure due to higher outer race contact pressures. The directive mandates repetitive inspections and replacement of affected parts to ensure continued safe operation.

Airbus Helicopters SA 330
Airbus Helicopters AS 332
Airbus Helicopters EC 225
Airbus Helicopters AS 332 L
Airbus Helicopters AS 332 L1
Airbus Helicopters AS 332 C
Airbus Helicopters AS 332 C1

EASA AD DCA-750XL-25A

Wing Leading Edge Tank Abrasion - Inspection

Airworthiness Directive DCA/750XL/25A Wing Leading Edge Tank Abrasion - Inspection is issued by the Civil Aviation Authority of New Zealand and applies to Pacific Aerospace 750XL aircraft with serial numbers up to and including 135, except S/N 113. This directive mandates inspection of the wing leading edge skin to detect abrasion caused by ventilation duct chafing, which could lead to fuel leaks. The inspection must follow the instructions in Mandatory Service Bulletin PACSB/XL/091 issue 3 or later revisions.

Nzskydive 750XL
Pacific Aerospace 750XL

EASA AD US-2018-06-05

Wings - Lower Wing Skin - Inspection

Federal Aviation Administration Airworthiness Directive 2018-06-05 is a final rule addressing certain Boeing 737-300 and 737-500 series airplanes equipped with blended winglet kits. It mandates repetitive inspections of the lower wing skin at stringer L-5 for fatigue cracks and requires repairs if cracks are found to ensure continued airworthiness.

Boeing 737300500

EASA AD 2018-0063

Mar 22, 2018

Rotors Flight Control — Cyclic Stick — Modification

EASA Airworthiness Directive 2018-0063 is an official safety directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH EC135 and EC635 helicopter models. It addresses a flight control system issue related to the cyclic stick on these helicopters, specifically those equipped with autopilot and within certain serial number ranges. The directive mandates a modification to improve flight safety by installing a weight compensation for the cyclic stick.

Airbus Helicopters EC135
Airbus Helicopters 635
Airbus Helicopters EC635

EASA AD 2018-0062

Mar 20, 2018

Hydraulic Power — Ram Air Turbine Hydraulic Pumps — Replacement

Hydraulic Power — Ram Air Turbine Hydraulic Pumps — Replacement is a regulatory document issued for AIRBUS S.A.S. A330 and A340 aircraft types. It addresses the replacement requirements for the hydraulic pumps associated with the Ram Air Turbine system on these aircraft models. The document aims to ensure continued hydraulic power reliability and safety during flight.

Airbus A330
Airbus A340

EASA AD 2018-0061

Mar 20, 2018

Main Rotor — Blades Thimble — Inspection

EASA Airworthiness Directive 2018-0061 is an airworthiness directive issued by the European Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH MBB-BK 117 helicopter models A-1, A-3, A-4, B-1, B-2, and C-1. This directive mandates inspections of the main rotor blades' thimble to ensure continued airworthiness and safety. It applies to all serial numbers of the specified helicopter models.

Airbus Helicopters MBB-BK 117
Airbus Helicopters MBB-BK 117 A-1
Airbus Helicopters MBB-BK 117 A-3
Airbus Helicopters MBB-BK 117 A-4
Airbus Helicopters MBB-BK 117 B-1
Airbus Helicopters MBB-BK 117 B-2
Airbus Helicopters MBB-BK 117 C-1

EASA AD 2018-0035-E

[Correction] Landing Gear — Bellcrank Assembly — Inspection

EASA Airworthiness Directive 2018-0035-E is an emergency directive addressing the inspection of the nose landing gear (NLG) bellcrank assembly, part number 30.42.010.00.00, installed on all serial numbers of PZL W-3A and PZL W-3AS helicopters. The directive mandates a one-time inspection due to a manufacturing defect causing reduced wall thickness and potential cracking of the NLG bellcrank assembly. This condition could lead to landing gear failure and possible damage or injury.

Wsk Pzl-Swidnik PZL W-3A
PZL W-3A
PZL W-3AS

EASA AD 2017-0105R2

Electrical Power — Alternating Current Emergency Generation — Flight Warning Computer Software Update

Electrical Power — Alternating Current Emergency Generation — Flight Warning Computer Software Update is an Airworthiness Directive issued for the Airbus A330 aircraft. This directive addresses updates to the flight warning computer software related to the alternating current emergency power generation system to enhance system reliability and safety.

Airbus A330

EASA AD 2018-0059

Flight Controls — Trimmable Horizontal Stabilizer Actuator — Modification

The document titled 'Flight Controls — Trimmable Horizontal Stabilizer Actuator — Modification' is an explanatory statement issued by EASA regarding the absence of an Airworthiness Directive (AD) for the Airbus A400M aircraft. Since there are currently no Airbus A400M aeroplanes in civil service, no public AD exists, and this record serves only as information for military authorities and design approval holders. The document advises that legally binding ADs for the Airbus A400M are issued by the respective military authorities based on the aircraft's country of registration.

Other

Airbus Military A400M
Airbus A400M

EASA AD US-2018-06-08

Fuselage - Side Panel-to-Frame Attachments and Frames - Inspection

Federal Register Volume 83, Number 51 (March 15, 2018) Airworthiness Directive 2018-06-08 is a final rule issued by the FAA addressing certain Boeing 757-200 series airplanes. This directive requires inspections of the side panel-to-frame attachments and frames in the aft cargo compartment due to widespread fatigue damage concerns. It mandates verification of specific modifications and applicable on-condition actions to maintain structural integrity.

Boeing 757200

EASA AD CF-2018-09

Mar 15, 2018

Furnishings — Forward Lavatory Door Hinge Flexing

Canadian Airworthiness Directive CF-2018-09 addresses the issue of forward lavatory door hinge flexing on Bombardier DHC-8-400, -401, and -402 aircraft models. This directive mandates modifications to the forward lavatory door hinge to ensure proper functioning of the cockpit door latch mechanism. The directive applies to aircraft with serial numbers listed in Bombardier Service Bulletins 84-25-130 Revision B and 84-25-131 Revision B.

De Havilland Canada DHC-8
Bombardier DHC-8-400
Bombardier DHC-8-401
Bombardier DHC-8-402

EASA AD CF-1997-18R1

Mar 14, 2018

CANCELLED: Main Rotor System — Cracking of Rotor Mast

The document titled CANCELLED: Main Rotor System — Cracking of Rotor Mast is a Canadian Airworthiness Directive (CF-97-18) issued by Transport Canada. It applies to all Eurocopter Canada Ltd. BO 105LS A-3 model helicopters and addresses critical cracking found on the main rotor mast flange. The directive mandates repetitive visual inspections to detect cracks to ensure continued airworthiness.

Airbus Helicopters BO 105
Eurocopter Canada Ltd. BO 105LS A-3

EASA AD 2018-0056

Mar 14, 2018

Main Rotor Drive — Main Rotor Mast — Inspection

The document titled Main Rotor Drive — Main Rotor Mast — Inspection is an airworthiness directive issued for AIRBUS HELICOPTERS DEUTSCHLAND BO 105 helicopters. It addresses inspection requirements specifically for the main rotor drive and main rotor mast components to ensure continued airworthiness and safety of the affected helicopter model.

Airbus Helicopters BO 105

EASA AD 2018-0057

Mar 14, 2018

Propellers — Pitch Lock System — Modification / Check Aircraft Flight Manual — Amendment

EASA Airworthiness Directive 2018-0057 is an airworthiness directive affecting Aircraft Industries a.s. L 410 UVP-E20 and L 410 UVP-E20 CARGO aeroplanes equipped with GE Aviation H80-200 engines and Avia Propeller AV 725 propellers with serial numbers from 2904 through 3114. The directive mandates modifications to the propeller pitch lock system and amendments to the Aircraft Flight Manual to address safety concerns related to un-commanded negative thrust activation. It also provides updated procedures for flight crews to check the pitch lock system before each flight.

Aircraft Industries L 410
Aircraft Industries 420 (Turbolet)
Aircraft Industries L 410 UVP-E20
Aircraft Industries L 410 UVP-E20 CARGO

EASA AD 2015-0135R3

Mar 13, 2018

Navigation — Angle of Attack Sensors — Replacement

EASA Airworthiness Directive 2015-0135R3 is an amendment addressing the replacement of Angle of Attack (AOA) sensors on Airbus A318, A319, A320, and A321 aircraft. It applies to various AOA sensor part numbers from manufacturers including Thales, UTC Aerospace, and SEXTANT/THOMSON. The directive mandates modifications to ensure continued safe operation by preventing loss of control caused by blocked or malfunctioning AOA sensors.