Lombardo covers business aviation maintenance-related issues. He is also a writer and on-air reporter for AINtv. He has over 3000 articles published and is the author of several books on aircraft systems for pilots and on the topic of flight simulation.
He holds undergraduate and graduate degrees in education from the University of Illinois, has taught aviation for over 35 years in industry and as a university professor and academic dean at three different universities. He is also a frequent seminar and after-dinner motivational speaker.&nbsp;
Lombardo holds an A&amp;P Certificate, ATP, CFI and Ground Instructor ratings. He was a corporate pilot and was a research pilot and flight instructor at the University of Illinois. An FAA Safety Counselor for over 25 years, he was one of the original 13 Counselors appointed to the FAA’s Airworthiness Safety Program for maintenance technicians.&nbsp;

Contributor

MD Helicopters MD 500, 500D, 500E, 500ER, 520N, and 530F

David A. Lombardo

A new <a href="http://www.gpo.gov/fdsys/pkg/FR-2013-02-08/html/2013-02582.htm">airworthiness directive</a> for the MD Helicopters MD500N, MD600N and MD900 requires determining the cure date for each Notar fan blade tension-torsion strap (T-T strap). The purpose is to establish a calendar-time retirement life, mark each T-T strap with the expiration date, create a component record card and revise the airworthiness limitations section of the maintenance manual. It was prompted by a report that over time moisture may reduce the strength of a T-T strap, potentially causing loss of directional control and subsequent loss of control of the helicopter. The AD is effective March 15.

News and issues about aviation maintenance, repair and overhaul (MRO), covering all segments of the aviation industry; and modifications for aircraft and engines. Subjects include product support of aircraft, engines and avionics, MRO company mergers, acquisitions, announcements and personnel, Airworthiness Directives, Supplemental Type Certificate approvals and other topics.

FAA Issues AD on MD Helicopters

A new airworthiness directive for the MD Helicopters MD500N, MD600N and MD900 requires determining the cure date for each Notar fan blade tension-torsion strap (T-T strap). 

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News about bills, laws, regulations and other governmental decisions affecting aviation and aerospace. Topics include FAA re-authorizations, taxes on fuel and aviation activities, environmental legislation, ICAO decisions, governmental mediation of labor conflicts and World Trade Organization disputes and decisions.

News and issues relating to business, corporate and private aviation, primarily regarding turbine-engine-powered airplanes and helicopters. Subjects include aircraft, engines, maintenance, operations, personnel, acquisitions, accidents, safety, security, and training.

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In this article

MD 600N

MD 500 Series

MD 902 Explorer

MD Helicopters

More In Maintenance and Modifications

ExecuJet MRO Services Fits ADS-B for South African Jets

Installations are to meet a mandate for all aircraft using South Africa’s Class A airspace

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Agreement expands global support and service for aerospace test equipment

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Completion is ahead of year-end deadline

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