Federal Aviation Administration (FAA)

Following Southwest accident, FAA orders inspections on certain CFM56-7B engines used in Boeing 737 aircraft within 20 days

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The Federal Aviation Administration (FAA) issued an Emergency Airworthiness Directive (EAD) that requires operators to inspect fan blades on certain CFM56-7B engines within 20 days.

The directive is based on a CFM International Service Bulletin issued today and on information gathered from the investigation of Tuesday’s Southwest Airlines engine failure. The inspection requirement applies to CFM56-7B engines. Specifically, engines with more than 30,000 total cycles from new must complete inspections within 20 days.  The EAD becomes effective upon publication. The engine manufacturer estimates today’s corrective action affects 352 engines in the U.S. and 681 engines worldwide.

This post was published on 22 April 2018 18:35

André Orban

M. Sc. Engineering

Published by
André Orban

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