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FAASTeam Notice
Type: General Information
Notice Date: Thursday, May 19, 2022
Notice Number: NOTC2389
Bizjet Cowling Departures Lead to Significant Damage 1/4-Turn Fastener Recommendations
This posting will be removed on
Thursday, June 12, 2025

Several incidents of engine cowl damage and resulting separations have occurred across the Textron turbofan-powered airplane product line. The separation incidents damaged the airplanes, and some incidents have marginally affected airplane handling capabilities. The FAA considers maintenance error the primary contributing factor to these events.  SAIB AIR-22-10 advises owners and operators of the safety hazards and potential dangers of inadequate and infrequent pre-flight inspections of the quarter-turn fasteners used to attach engine cowling system components, and of the need for routine preventive maintenance.  It makes recommendations for Inspections, Checks, Repairs, and Overhaul of Engine Cowling Systems.   

Would you like to learn more?  See SAIB AIR-22-10.

For more information contact: 
Jeff Janusz
Supervisory Aviation Safety Specialist
1801 Airport Road, Room 100, Wichita, KS 67209
Phone: (316) 946-4148