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FAA issues 'emergency' order for airlines to inspect fan blades on engine type that exploded on Southwest flight

The U.S. airline regulator on Friday ordered airlines to inspect the fan blades of some engines of the same type that exploded on a Southwest Airlinesflight earlier this week. One passenger was killed after she was partially sucked through a window that blew open in the blast when a fan blade on one of the Boeing 737's engines broke loose.
The Federal Aviation Administration issued the "emergency" order after a service bulletin from the engine's manufacturer, CFM International, calling for more stringent testing of the engines.
Under the FAA's order some engines will have to be inspected within 20 days.
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 undergo 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.