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The Crucial Role of Safety Directives on Aircraft.

How do aircraft operators know an unforeseen circumstance will jeopardize the safety of the aircraft and its passengers? The Service Bulletin and Airworthiness Directives might provide the answer.

Malaysia Airlines’ fleet in Kuala Lumpur International Airport at sunset. Image by Author



One of the Service Bulletins for a Boeing 737. Image by Author.
The location of the said valve in the CFM 56 high bypass engine with its cowling opened. Image by Author.
Emergency Airworthiness Directive for the inspection of a bleed air valve. Image by Author.

Importance of Airworthiness Directive



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Nazmi Izwan

Aviation made simple and understandable for general flying public.