EASA Regulations for MD Helicopters 369H

4 airworthiness directives and regulations affecting MD Helicopters 369H.

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New ADs and bulletins for MD Helicopters 369H, summarized like the ones below, every Monday.

EASA AD US-2021-22-11

Dec 16, 2021

Rotors Flight Control - Pilot-to-Copilot Tail Rotor Torque Tube - Inspection / Removal

Federal Register Volume 86, Number 231 (December 6, 2021) - Airworthiness Directive 2021-22-11 is a final rule issued by the FAA addressing certain MD Helicopters Inc. models 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N equipped with pilot-to-copilot tail rotor torque tube part numbers 369H7531-9, -11, or -13. This directive mandates inspections and potential removal of the torque tube due to a reported spiral crack that compromises tail rotor control. The AD aims to ensure continued airworthiness and safety of these helicopter models.

Airworthiness Directive

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

EASA AD US-2020-18-20

Sep 25, 2020

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.

Airworthiness Directive

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 US-2020-11-07

Jun 12, 2020

Main Rotor System - Hub Lead-lag Bolts - Removal

The Federal Aviation Administration's Airworthiness Directive 2020-11-07 addresses MD Helicopters Inc. models 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N. It mandates the removal from service of certain main rotor hub lead-lag bolts, part number 369D21220, that have non-conforming serial numbers due to unauthorized cadmium plating repairs. This directive aims to ensure continued airworthiness and safety of these helicopter models.

Airworthiness Directive

Md Helicopters Inc (Mdhi) 369
Md Helicopters Inc (Mdhi) 500N
Md Helicopters Inc (Mdhi) 600N
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 US-2019-05-04

Apr 3, 2019

Main Rotor - Blades - Inspection

Federal Register Volume 84, Number 49 (March 13, 2019) Final Rule titled 'Main Rotor - Blades - Inspection' issues a new airworthiness directive (AD 2019-05-04) for MD Helicopters, Inc. models 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N. The AD mandates inspections of specific main rotor blades (MRBs) for cracks to address safety concerns. It applies to helicopters equipped with Helicopter Technology Company, LLC MRB part numbers 369A1100, 369D21100, 369D21102, 369D21120, 369D21121, 369D21123, 500P2100, or 500P2300.

Airworthiness Directive

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